diff --git a/generate-verified-files.php b/generate-verified-files.php
index 3d02f76..d513546 100644
--- a/generate-verified-files.php
+++ b/generate-verified-files.php
@@ -15,13 +15,13 @@
 file_put_contents('tests/verified-files/081231723897-ean13-fractional-width.svg', $svgRenderer->render($barcode, $barcode->getWidth() * 0.25, 25.75));
 
 $svgRendererRed = new Picqer\Barcode\Renderers\SvgRenderer();
-$svgRendererRed->setBackgroundColor('red');
+$svgRendererRed->setBackgroundColor([255, 0, 0]);
 file_put_contents('tests/verified-files/081231723897-ean13-red-background.svg', $svgRendererRed->render($barcode, $barcode->getWidth() * 2));
 
 $barcode = $typeEncoderCode128->getBarcode('081231723897');
 file_put_contents('tests/verified-files/081231723897-code128.html', $htmlRenderer->render($barcode, $barcode->getWidth() * 2));
 $htmlRendererRed = new Picqer\Barcode\Renderers\HtmlRenderer();
-$htmlRendererRed->setBackgroundColor('red');
+$htmlRendererRed->setBackgroundColor([255, 0, 0]);
 file_put_contents('tests/verified-files/081231723897-code128-red-background.html', $htmlRendererRed->render($barcode, $barcode->getWidth() * 2));
 
 $barcode = $typeEncoderIMB->getBarcode('12345678903');
diff --git a/src/Renderers/DynamicHtmlRenderer.php b/src/Renderers/DynamicHtmlRenderer.php
index 45500e5..c19de85 100644
--- a/src/Renderers/DynamicHtmlRenderer.php
+++ b/src/Renderers/DynamicHtmlRenderer.php
@@ -5,16 +5,17 @@
 use Picqer\Barcode\Barcode;
 use Picqer\Barcode\BarcodeBar;
 
-class DynamicHtmlRenderer
+class DynamicHtmlRenderer implements RendererInterface
 {
     protected const WIDTH_PRECISION = 6;
 
-    protected string $foregroundColor = 'black';
-    protected ?string $backgroundColor = null;
+    protected array $foregroundColor = [0, 0, 0];
+    protected ?array $backgroundColor = null;
 
-    public function render(Barcode $barcode): string
+    // Width and height are ignored in this renderer
+    public function render(Barcode $barcode, float $width = 200, float $height = 30): string
     {
-        $html = '<div style="font-size:0;position:relative;width:100%;height:100%' . ($this->backgroundColor ? ';background-color:' . $this->backgroundColor : '') . '">' . PHP_EOL;
+        $html = '<div style="font-size:0;position:relative;width:100%;height:100%' . ($this->backgroundColor ? ';background-color:rgb(' . implode(',', $this->backgroundColor) . ')' : '') . '">' . PHP_EOL;
 
         $positionHorizontal = 0;
         /** @var BarcodeBar $bar */
@@ -26,7 +27,7 @@ public function render(Barcode $barcode): string
                 $positionVertical = round(($bar->getPositionVertical() / $barcode->getHeight() * 100), 3);
 
                 // draw a vertical bar
-                $html .= '<div style="background-color:' . $this->foregroundColor . ';width:' . round($barWidth, self::WIDTH_PRECISION) . '%;height:' . $barHeight . '%;position:absolute;left:' . round($positionHorizontal, self::WIDTH_PRECISION) . '%;top:' . $positionVertical . (($positionVertical > 0) ? '%' : '') . '">&nbsp;</div>' . PHP_EOL;
+                $html .= '<div style="background-color:rgb(' . implode(',', $this->foregroundColor) . ');width:' . round($barWidth, self::WIDTH_PRECISION) . '%;height:' . $barHeight . '%;position:absolute;left:' . round($positionHorizontal, self::WIDTH_PRECISION) . '%;top:' . $positionVertical . (($positionVertical > 0) ? '%' : '') . '">&nbsp;</div>' . PHP_EOL;
             }
 
             $positionHorizontal += $barWidth;
@@ -37,15 +38,13 @@ public function render(Barcode $barcode): string
         return $html;
     }
 
-    // Use HTML color definitions, like 'red' or '#ff0000'
-    public function setForegroundColor(string $color): self
+    public function setForegroundColor(array $color): self
     {
         $this->foregroundColor = $color;
         return $this;
     }
 
-    // Use HTML color definitions, like 'red' or '#ff0000'
-    public function setBackgroundColor(?string $color): self
+    public function setBackgroundColor(?array $color): self
     {
         $this->backgroundColor = $color;
         return $this;
diff --git a/src/Renderers/HtmlRenderer.php b/src/Renderers/HtmlRenderer.php
index fae8ffa..9b93651 100644
--- a/src/Renderers/HtmlRenderer.php
+++ b/src/Renderers/HtmlRenderer.php
@@ -5,16 +5,16 @@
 use Picqer\Barcode\Barcode;
 use Picqer\Barcode\BarcodeBar;
 
-class HtmlRenderer
+class HtmlRenderer implements RendererInterface
 {
-    protected string $foregroundColor = 'black';
-    protected ?string $backgroundColor = null;
+    protected array $foregroundColor = [0, 0, 0];
+    protected ?array $backgroundColor = null;
 
     public function render(Barcode $barcode, float $width = 200, float $height = 30): string
     {
         $widthFactor = $width / $barcode->getWidth();
 
-        $html = '<div style="font-size:0;position:relative;width:' . $width . 'px;height:' . ($height) . 'px;' . ($this->backgroundColor ? 'background-color:' . $this->backgroundColor . ';' : '') . '">' . PHP_EOL;
+        $html = '<div style="font-size:0;position:relative;width:' . $width . 'px;height:' . ($height) . 'px;' . ($this->backgroundColor ? 'background-color:rgb(' . implode(',', $this->backgroundColor) . ');' : '') . '">' . PHP_EOL;
 
         $positionHorizontal = 0;
         /** @var BarcodeBar $bar */
@@ -26,7 +26,7 @@ public function render(Barcode $barcode, float $width = 200, float $height = 30)
                 $positionVertical = round(($bar->getPositionVertical() * $height / $barcode->getHeight()), 3);
 
                 // draw a vertical bar
-                $html .= '<div style="background-color:' . $this->foregroundColor . ';width:' . $barWidth . 'px;height:' . $barHeight . 'px;position:absolute;left:' . $positionHorizontal . 'px;top:' . $positionVertical . (($positionVertical > 0) ? 'px' : '') . '">&nbsp;</div>' . PHP_EOL;
+                $html .= '<div style="background-color:rgb(' . implode(',', $this->foregroundColor) . ');width:' . $barWidth . 'px;height:' . $barHeight . 'px;position:absolute;left:' . $positionHorizontal . 'px;top:' . $positionVertical . (($positionVertical > 0) ? 'px' : '') . '">&nbsp;</div>' . PHP_EOL;
             }
 
             $positionHorizontal += $barWidth;
@@ -37,15 +37,13 @@ public function render(Barcode $barcode, float $width = 200, float $height = 30)
         return $html;
     }
 
-    // Use HTML color definitions, like 'red' or '#ff0000'
-    public function setForegroundColor(string $color): self
+    public function setForegroundColor(array $color): self
     {
         $this->foregroundColor = $color;
         return $this;
     }
 
-    // Use HTML color definitions, like 'red' or '#ff0000'
-    public function setBackgroundColor(?string $color): self
+    public function setBackgroundColor(?array $color): self
     {
         $this->backgroundColor = $color;
         return $this;
diff --git a/src/Renderers/PngRenderer.php b/src/Renderers/PngRenderer.php
index 226a7b7..4fd6e68 100644
--- a/src/Renderers/PngRenderer.php
+++ b/src/Renderers/PngRenderer.php
@@ -9,7 +9,7 @@
 use Picqer\Barcode\BarcodeBar;
 use Picqer\Barcode\Exceptions\BarcodeException;
 
-class PngRenderer
+class PngRenderer implements RendererInterface
 {
     protected array $foregroundColor = [0, 0, 0];
     protected ?array $backgroundColor = null;
@@ -49,9 +49,15 @@ public function useGd(): self
         return $this;
     }
 
-    public function render(Barcode $barcode, int $widthFactor = 2, int $height = 30): string
+    // Floats in width and height will be rounded to integers
+    // For best (and valid) result, use a width as a factor of the width of the Barcode object
+    // Example: $width = $barcode->getWidth() * 3
+    public function render(Barcode $barcode, float $width = 200, float $height = 30): string
     {
-        $width = (int)round($barcode->getWidth() * $widthFactor);
+        $width = round($width);
+        $height = round($height);
+
+        $widthFactor = $width / $barcode->getWidth();
 
         if ($this->useImagick) {
             $image = $this->createImagickImageObject($width, $height);
@@ -66,7 +72,7 @@ public function render(Barcode $barcode, int $widthFactor = 2, int $height = 30)
         $positionHorizontal = 0;
         /** @var BarcodeBar $bar */
         foreach ($barcode->getBars() as $bar) {
-            $barWidth = (int)round(($bar->getWidth() * $widthFactor));
+            $barWidth = $bar->getWidth() * $widthFactor;
 
             if ($bar->isBar() && $barWidth > 0) {
                 $y = (int)round(($bar->getPositionVertical() * $height / $barcode->getHeight()));
@@ -74,9 +80,9 @@ public function render(Barcode $barcode, int $widthFactor = 2, int $height = 30)
 
                 // draw a vertical bar
                 if ($this->useImagick) {
-                    $imagickBarsShape->rectangle($positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight));
+                    $imagickBarsShape->rectangle(round($positionHorizontal), $y, round($positionHorizontal + $barWidth - 1), ($y + $barHeight));
                 } else {
-                    \imagefilledrectangle($image, $positionHorizontal, $y, ($positionHorizontal + $barWidth - 1), ($y + $barHeight), $gdForegroundColor);
+                    \imagefilledrectangle($image, round($positionHorizontal), $y, round($positionHorizontal + $barWidth - 1), ($y + $barHeight), $gdForegroundColor);
                 }
             }
             $positionHorizontal += $barWidth;
diff --git a/src/Renderers/RendererInterface.php b/src/Renderers/RendererInterface.php
new file mode 100644
index 0000000..eaba33d
--- /dev/null
+++ b/src/Renderers/RendererInterface.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Picqer\Barcode\Renderers;
+
+use Picqer\Barcode\Barcode;
+
+interface RendererInterface
+{
+    public function render(Barcode $barcode, float $width = 200, float $height = 30): string;
+
+    public function setForegroundColor(array $color): self;
+
+    public function setBackgroundColor(?array $color): self;
+}
diff --git a/src/Renderers/SvgRenderer.php b/src/Renderers/SvgRenderer.php
index 418333a..1b29ff1 100644
--- a/src/Renderers/SvgRenderer.php
+++ b/src/Renderers/SvgRenderer.php
@@ -6,10 +6,10 @@
 use Picqer\Barcode\BarcodeBar;
 use Picqer\Barcode\Exceptions\InvalidOptionException;
 
-class SvgRenderer
+class SvgRenderer implements RendererInterface
 {
-    protected string $foregroundColor = 'black';
-    protected ?string $backgroundColor = null;
+    protected array $foregroundColor = [0, 0, 0];
+    protected ?array $backgroundColor = null;
     protected string $svgType = self::TYPE_SVG_STANDALONE;
 
     public const TYPE_SVG_STANDALONE = 'standalone';
@@ -29,10 +29,10 @@ public function render(Barcode $barcode, float $width = 200, float $height = 30)
 
         // Add background rectangle if backgroundColor is set
         if ($this->backgroundColor !== null) {
-            $svg .= "\t" . '<rect id="background" width="100%" height="100%" fill="' . $this->backgroundColor . '"/>' . PHP_EOL;
+            $svg .= "\t" . '<rect id="background" width="100%" height="100%" fill="rgb(' . implode(',', $this->backgroundColor) . ')"/>' . PHP_EOL;
         }
 
-        $svg .= "\t" . '<g id="bars" fill="' . $this->foregroundColor . '" stroke="none">' . PHP_EOL;
+        $svg .= "\t" . '<g id="bars" fill="rgb(' . implode(',', $this->foregroundColor) . ')" stroke="none">' . PHP_EOL;
 
         // print bars
         $positionHorizontal = 0;
@@ -56,13 +56,13 @@ public function render(Barcode $barcode, float $width = 200, float $height = 30)
         return $svg;
     }
 
-    public function setForegroundColor(string $color): self
+    public function setForegroundColor(array $color): self
     {
         $this->foregroundColor = $color;
         return $this;
     }
 
-    public function setBackgroundColor(?string $color): self
+    public function setBackgroundColor(?array $color): self
     {
         $this->backgroundColor = $color;
         return $this;
diff --git a/tests/verified-files/0049000004632-ean13.svg b/tests/verified-files/0049000004632-ean13.svg
index 427ff40..5c46159 100644
--- a/tests/verified-files/0049000004632-ean13.svg
+++ b/tests/verified-files/0049000004632-ean13.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="190" height="30" viewBox="0 0 190 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>0049000004632</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="4" height="30" />
diff --git a/tests/verified-files/081231723897-code128-red-background.html b/tests/verified-files/081231723897-code128-red-background.html
index 6023c22..45f6b31 100644
--- a/tests/verified-files/081231723897-code128-red-background.html
+++ b/tests/verified-files/081231723897-code128-red-background.html
@@ -1,30 +1,30 @@
-<div style="font-size:0;position:relative;width:202px;height:30px;background-color:red;">
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:0px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:6px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:12px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:22px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:30px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:38px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:44px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:48px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:56px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:66px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:72px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:82px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:88px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:94px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:106px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:110px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:118px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:128px;top:0">&nbsp;</div>
-<div style="background-color:black;width:8px;height:30px;position:absolute;left:132px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:142px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:146px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:154px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:162px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:166px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:176px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:186px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:194px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:198px;top:0">&nbsp;</div>
+<div style="font-size:0;position:relative;width:202px;height:30px;background-color:rgb(255,0,0);">
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:0px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:6px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:6px;height:30px;position:absolute;left:12px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:22px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:30px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:38px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:44px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:48px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:6px;height:30px;position:absolute;left:56px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:66px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:72px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:82px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:88px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:94px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:106px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:110px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:118px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:128px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:8px;height:30px;position:absolute;left:132px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:142px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:146px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:6px;height:30px;position:absolute;left:154px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:162px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:166px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:176px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:6px;height:30px;position:absolute;left:186px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:194px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:4px;height:30px;position:absolute;left:198px;top:0">&nbsp;</div>
 </div>
diff --git a/tests/verified-files/081231723897-code128.html b/tests/verified-files/081231723897-code128.html
index e9cf37a..7b3f9f2 100644
--- a/tests/verified-files/081231723897-code128.html
+++ b/tests/verified-files/081231723897-code128.html
@@ -1,30 +1,30 @@
 <div style="font-size:0;position:relative;width:202px;height:30px;">
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:0px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:6px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:12px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:22px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:30px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:38px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:44px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:48px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:56px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:66px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:72px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:82px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:88px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:94px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:106px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:110px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:118px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:128px;top:0">&nbsp;</div>
-<div style="background-color:black;width:8px;height:30px;position:absolute;left:132px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:142px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:146px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:154px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:162px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:166px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:176px;top:0">&nbsp;</div>
-<div style="background-color:black;width:6px;height:30px;position:absolute;left:186px;top:0">&nbsp;</div>
-<div style="background-color:black;width:2px;height:30px;position:absolute;left:194px;top:0">&nbsp;</div>
-<div style="background-color:black;width:4px;height:30px;position:absolute;left:198px;top:0">&nbsp;</div>
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index cdf2d94..6d88107 100644
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index d616490..2ff2967 100644
--- a/tests/verified-files/081231723897-ean13-fractional-width.svg
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index 96e1619..a396439 100644
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diff --git a/tests/verified-files/12345678903-imb.html b/tests/verified-files/12345678903-imb.html
index eba3400..7620abc 100644
--- a/tests/verified-files/12345678903-imb.html
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+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:144px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:148px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:152px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:156px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:160px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:164px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:168px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:172px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:176px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:180px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:184px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:188px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:192px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:196px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:200px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:204px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:208px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:212px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:216px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:220px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:10px;position:absolute;left:224px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:228px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:232px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:236px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:240px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:244px;top:10px">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:248px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:30px;position:absolute;left:252px;top:0">&nbsp;</div>
+<div style="background-color:rgb(0,0,0);width:2px;height:20px;position:absolute;left:256px;top:10px">&nbsp;</div>
 </div>
diff --git a/tests/verified-files/TypeCodabar-123456789.svg b/tests/verified-files/TypeCodabar-123456789.svg
index 0d9606a..0bbe6d1 100644
--- a/tests/verified-files/TypeCodabar-123456789.svg
+++ b/tests/verified-files/TypeCodabar-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="224" height="30" viewBox="0 0 224 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="4" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeCode11-123456789.svg b/tests/verified-files/TypeCode11-123456789.svg
index f30d919..8c8eb3f 100644
--- a/tests/verified-files/TypeCode11-123456789.svg
+++ b/tests/verified-files/TypeCode11-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="188" height="30" viewBox="0 0 188 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="4" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeCode128-081231723897.svg b/tests/verified-files/TypeCode128-081231723897.svg
index 64b544f..d7267ab 100644
--- a/tests/verified-files/TypeCode128-081231723897.svg
+++ b/tests/verified-files/TypeCode128-081231723897.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="202" height="30" viewBox="0 0 202 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>081231723897</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode128-1234567890abcABC-283-33.svg b/tests/verified-files/TypeCode128-1234567890abcABC-283-33.svg
index 4a3708a..32b8c1f 100644
--- a/tests/verified-files/TypeCode128-1234567890abcABC-283-33.svg
+++ b/tests/verified-files/TypeCode128-1234567890abcABC-283-33.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="488" height="30" viewBox="0 0 488 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890abcABC-283*33</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode128A-1234567890.svg b/tests/verified-files/TypeCode128A-1234567890.svg
index 22d2cf4..9964f3d 100644
--- a/tests/verified-files/TypeCode128A-1234567890.svg
+++ b/tests/verified-files/TypeCode128A-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="290" height="30" viewBox="0 0 290 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="16" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeCode128B-081231723897.svg b/tests/verified-files/TypeCode128B-081231723897.svg
index f3ee4e0..99133e9 100644
--- a/tests/verified-files/TypeCode128B-081231723897.svg
+++ b/tests/verified-files/TypeCode128B-081231723897.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="334" height="30" viewBox="0 0 334 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>081231723897</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeCode128B-1234567890abcABC-283-33.svg b/tests/verified-files/TypeCode128B-1234567890abcABC-283-33.svg
index ec25033..9d79a94 100644
--- a/tests/verified-files/TypeCode128B-1234567890abcABC-283-33.svg
+++ b/tests/verified-files/TypeCode128B-1234567890abcABC-283-33.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="576" height="30" viewBox="0 0 576 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890abcABC-283*33</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeCode39-1234567890ABC.svg b/tests/verified-files/TypeCode39-1234567890ABC.svg
index 448792d..a028564 100644
--- a/tests/verified-files/TypeCode39-1234567890ABC.svg
+++ b/tests/verified-files/TypeCode39-1234567890ABC.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="480" height="30" viewBox="0 0 480 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>*1234567890ABC*</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode39Checksum-1234567890ABC.svg b/tests/verified-files/TypeCode39Checksum-1234567890ABC.svg
index 280551a..00a99a7 100644
--- a/tests/verified-files/TypeCode39Checksum-1234567890ABC.svg
+++ b/tests/verified-files/TypeCode39Checksum-1234567890ABC.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="512" height="30" viewBox="0 0 512 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>*1234567890ABCZ*</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode39Extended-1234567890abcABC.svg b/tests/verified-files/TypeCode39Extended-1234567890abcABC.svg
index d85cc71..39fc3e3 100644
--- a/tests/verified-files/TypeCode39Extended-1234567890abcABC.svg
+++ b/tests/verified-files/TypeCode39Extended-1234567890abcABC.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="672" height="30" viewBox="0 0 672 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>*1234567890+A+B+CABC*</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode39ExtendedChecksum-1234567890abcABC.svg b/tests/verified-files/TypeCode39ExtendedChecksum-1234567890abcABC.svg
index a1a87c5..a6880d6 100644
--- a/tests/verified-files/TypeCode39ExtendedChecksum-1234567890abcABC.svg
+++ b/tests/verified-files/TypeCode39ExtendedChecksum-1234567890abcABC.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="704" height="30" viewBox="0 0 704 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>*1234567890+A+B+CABCJ*</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="6" height="30" />
diff --git a/tests/verified-files/TypeCode93-1234567890abcABC.svg b/tests/verified-files/TypeCode93-1234567890abcABC.svg
index 120c36f..efa0b6e 100644
--- a/tests/verified-files/TypeCode93-1234567890abcABC.svg
+++ b/tests/verified-files/TypeCode93-1234567890abcABC.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="416" height="30" viewBox="0 0 416 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>*1234567890dAdBdCABC6-*</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="8" height="30" />
diff --git a/tests/verified-files/TypeEan13-004900000463.svg b/tests/verified-files/TypeEan13-004900000463.svg
index 427ff40..5c46159 100644
--- a/tests/verified-files/TypeEan13-004900000463.svg
+++ b/tests/verified-files/TypeEan13-004900000463.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="190" height="30" viewBox="0 0 190 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>0049000004632</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeEan13-0049000004632.svg b/tests/verified-files/TypeEan13-0049000004632.svg
index 427ff40..5c46159 100644
--- a/tests/verified-files/TypeEan13-0049000004632.svg
+++ b/tests/verified-files/TypeEan13-0049000004632.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="190" height="30" viewBox="0 0 190 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>0049000004632</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeEan13-081231723897.svg b/tests/verified-files/TypeEan13-081231723897.svg
index 96e1619..a396439 100644
--- a/tests/verified-files/TypeEan13-081231723897.svg
+++ b/tests/verified-files/TypeEan13-081231723897.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="190" height="30" viewBox="0 0 190 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>0812317238973</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeEan8-1234568.svg b/tests/verified-files/TypeEan8-1234568.svg
index 9c4e210..2dc590c 100644
--- a/tests/verified-files/TypeEan8-1234568.svg
+++ b/tests/verified-files/TypeEan8-1234568.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="134" height="30" viewBox="0 0 134 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>12345687</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="10" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeITF14-00012345600012.svg b/tests/verified-files/TypeITF14-00012345600012.svg
index 25553f0..c2a317b 100644
--- a/tests/verified-files/TypeITF14-00012345600012.svg
+++ b/tests/verified-files/TypeITF14-00012345600012.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="214" height="30" viewBox="0 0 214 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>00012345600012</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeITF14-05400141288766.svg b/tests/verified-files/TypeITF14-05400141288766.svg
index ece67b7..dd1a0b9 100644
--- a/tests/verified-files/TypeITF14-05400141288766.svg
+++ b/tests/verified-files/TypeITF14-05400141288766.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="214" height="30" viewBox="0 0 214 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>05400141288766</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeIntelligentMailBarcode-123456789.svg b/tests/verified-files/TypeIntelligentMailBarcode-123456789.svg
index a82dcd9..8637b41 100644
--- a/tests/verified-files/TypeIntelligentMailBarcode-123456789.svg
+++ b/tests/verified-files/TypeIntelligentMailBarcode-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="258" height="30" viewBox="0 0 258 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="10" width="2" height="10" />
 		<rect x="4" y="10" width="2" height="20" />
 		<rect x="8" y="0" width="2" height="20" />
diff --git a/tests/verified-files/TypeInterleaved25-1234567890.svg b/tests/verified-files/TypeInterleaved25-1234567890.svg
index 77af1b4..3d0c1ed 100644
--- a/tests/verified-files/TypeInterleaved25-1234567890.svg
+++ b/tests/verified-files/TypeInterleaved25-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="158" height="30" viewBox="0 0 158 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>AA1234567890ZA</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeInterleaved25Checksum-1234567890.svg b/tests/verified-files/TypeInterleaved25Checksum-1234567890.svg
index 55f32b0..394bf7d 100644
--- a/tests/verified-files/TypeInterleaved25Checksum-1234567890.svg
+++ b/tests/verified-files/TypeInterleaved25Checksum-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="186" height="30" viewBox="0 0 186 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>AA012345678905ZA</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeKix-123456789.svg b/tests/verified-files/TypeKix-123456789.svg
index 0c05177..953a330 100644
--- a/tests/verified-files/TypeKix-123456789.svg
+++ b/tests/verified-files/TypeKix-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="144" height="30" viewBox="0 0 144 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="10" width="2" height="10" />
 		<rect x="4" y="10" width="2" height="20" />
 		<rect x="8" y="0" width="2" height="20" />
diff --git a/tests/verified-files/TypeMsi-123456789.svg b/tests/verified-files/TypeMsi-123456789.svg
index 89c0090..a48095e 100644
--- a/tests/verified-files/TypeMsi-123456789.svg
+++ b/tests/verified-files/TypeMsi-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="230" height="30" viewBox="0 0 230 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeMsiChecksum-123456789.svg b/tests/verified-files/TypeMsiChecksum-123456789.svg
index de5eae8..6cd6062 100644
--- a/tests/verified-files/TypeMsiChecksum-123456789.svg
+++ b/tests/verified-files/TypeMsiChecksum-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="254" height="30" viewBox="0 0 254 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567892</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypePharmacode-123456789.svg b/tests/verified-files/TypePharmacode-123456789.svg
index 46044b0..3dac6de 100644
--- a/tests/verified-files/TypePharmacode-123456789.svg
+++ b/tests/verified-files/TypePharmacode-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="212" height="30" viewBox="0 0 212 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="6" height="30" />
 		<rect x="10" y="0" width="6" height="30" />
 		<rect x="20" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypePharmacodeTwoCode-123456789.svg b/tests/verified-files/TypePharmacodeTwoCode-123456789.svg
index 39975d4..6a409d3 100644
--- a/tests/verified-files/TypePharmacodeTwoCode-123456789.svg
+++ b/tests/verified-files/TypePharmacodeTwoCode-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="66" height="30" viewBox="0 0 66 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="15" />
 		<rect x="4" y="0" width="2" height="15" />
 		<rect x="8" y="15" width="2" height="15" />
diff --git a/tests/verified-files/TypePlanet-123456789.svg b/tests/verified-files/TypePlanet-123456789.svg
index 51de3aa..a6a3fe8 100644
--- a/tests/verified-files/TypePlanet-123456789.svg
+++ b/tests/verified-files/TypePlanet-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="206" height="30" viewBox="0 0 206 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypePostnet-123456789.svg b/tests/verified-files/TypePostnet-123456789.svg
index ca895ec..5cefece 100644
--- a/tests/verified-files/TypePostnet-123456789.svg
+++ b/tests/verified-files/TypePostnet-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="206" height="30" viewBox="0 0 206 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="15" width="2" height="15" />
 		<rect x="8" y="15" width="2" height="15" />
diff --git a/tests/verified-files/TypeRms4cc-123456789.svg b/tests/verified-files/TypeRms4cc-123456789.svg
index ee91be7..5e7c698 100644
--- a/tests/verified-files/TypeRms4cc-123456789.svg
+++ b/tests/verified-files/TypeRms4cc-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="166" height="30" viewBox="0 0 166 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>123456789</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="20" />
 		<rect x="4" y="10" width="2" height="10" />
 		<rect x="8" y="10" width="2" height="20" />
diff --git a/tests/verified-files/TypeStandard2of5-1234567890.svg b/tests/verified-files/TypeStandard2of5-1234567890.svg
index 26d48c5..8aee635 100644
--- a/tests/verified-files/TypeStandard2of5-1234567890.svg
+++ b/tests/verified-files/TypeStandard2of5-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="310" height="30" viewBox="0 0 310 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="4" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeStandard2of5Checksum-1234567890.svg b/tests/verified-files/TypeStandard2of5Checksum-1234567890.svg
index dcdc32a..650cc9f 100644
--- a/tests/verified-files/TypeStandard2of5Checksum-1234567890.svg
+++ b/tests/verified-files/TypeStandard2of5Checksum-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="338" height="30" viewBox="0 0 338 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>12345678905</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="4" height="30" />
 		<rect x="6" y="0" width="4" height="30" />
 		<rect x="12" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeTelepen-1234567890ASCD.svg b/tests/verified-files/TypeTelepen-1234567890ASCD.svg
index d44f436..22429b2 100644
--- a/tests/verified-files/TypeTelepen-1234567890ASCD.svg
+++ b/tests/verified-files/TypeTelepen-1234567890ASCD.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="544" height="30" viewBox="0 0 544 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890ASCD</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeTelepenNumeric-1234567890.svg b/tests/verified-files/TypeTelepenNumeric-1234567890.svg
index 079766b..34c4479 100644
--- a/tests/verified-files/TypeTelepenNumeric-1234567890.svg
+++ b/tests/verified-files/TypeTelepenNumeric-1234567890.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="256" height="30" viewBox="0 0 256 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeUpcA-123456789.svg b/tests/verified-files/TypeUpcA-123456789.svg
index d7ed6dc..38b420c 100644
--- a/tests/verified-files/TypeUpcA-123456789.svg
+++ b/tests/verified-files/TypeUpcA-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="190" height="30" viewBox="0 0 190 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>0001234567895</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="12" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeUpcE-123456789.svg b/tests/verified-files/TypeUpcE-123456789.svg
index 4347e92..4333be7 100644
--- a/tests/verified-files/TypeUpcE-123456789.svg
+++ b/tests/verified-files/TypeUpcE-123456789.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="102" height="30" viewBox="0 0 102 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>012349</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="2" height="30" />
 		<rect x="8" y="0" width="2" height="30" />
diff --git a/tests/verified-files/TypeUpcExtension2-22.svg b/tests/verified-files/TypeUpcExtension2-22.svg
index d7f285d..1fb84e7 100644
--- a/tests/verified-files/TypeUpcExtension2-22.svg
+++ b/tests/verified-files/TypeUpcExtension2-22.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="40" height="30" viewBox="0 0 40 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>22</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="4" height="30" />
 		<rect x="12" y="0" width="4" height="30" />
diff --git a/tests/verified-files/TypeUpcExtension5-1234567890abcABC-283-33.svg b/tests/verified-files/TypeUpcExtension5-1234567890abcABC-283-33.svg
index df18eae..a4287a5 100644
--- a/tests/verified-files/TypeUpcExtension5-1234567890abcABC-283-33.svg
+++ b/tests/verified-files/TypeUpcExtension5-1234567890abcABC-283-33.svg
@@ -2,7 +2,7 @@
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
 <svg width="94" height="30" viewBox="0 0 94 30" version="1.1" xmlns="http://www.w3.org/2000/svg">
 	<desc>1234567890abcABC-283*33</desc>
-	<g id="bars" fill="black" stroke="none">
+	<g id="bars" fill="rgb(0,0,0)" stroke="none">
 		<rect x="0" y="0" width="2" height="30" />
 		<rect x="4" y="0" width="4" height="30" />
 		<rect x="10" y="0" width="4" height="30" />