diff --git a/dev/ComboBox/ComboBox_themeresources.xaml b/dev/ComboBox/ComboBox_themeresources.xaml
index 314eea0ac5..7a3eab9127 100644
--- a/dev/ComboBox/ComboBox_themeresources.xaml
+++ b/dev/ComboBox/ComboBox_themeresources.xaml
@@ -119,9 +119,9 @@
             <Thickness x:Key="ComboBoxDropdownContentMargin">0,4,0,4</Thickness>
             <StaticResource x:Key="ComboBoxDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundListLowBrush" />
             <StaticResource x:Key="ComboBoxDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundListMediumBrush" />
-            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundChromeBlackLowBrush" />
-            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundChromeBlackMediumLowBrush" />
-            <StaticResource x:Key="ComboBoxEditableDropDownGlyphForeground" ResourceKey="SystemControlForegroundAltMediumHighBrush" />
+            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundBaseLowBrush" />
+            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundBaseMediumLowBrush" />
+            <StaticResource x:Key="ComboBoxEditableDropDownGlyphForeground" ResourceKey="SystemControlForegroundBaseMediumHighBrush" />
         </ResourceDictionary>
         <ResourceDictionary x:Key="HighContrast">
             <StaticResource x:Key="ComboBoxItemForeground" ResourceKey="SystemControlForegroundBaseHighBrush" />
@@ -347,8 +347,8 @@
             <Thickness x:Key="ComboBoxDropdownContentMargin">0,4,0,4</Thickness>
             <StaticResource x:Key="ComboBoxDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundListLowBrush" />
             <StaticResource x:Key="ComboBoxDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundListMediumBrush" />
-            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundChromeBlackLowBrush" />
-            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundChromeBlackMediumLowBrush" />
+            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerOver" ResourceKey="SystemControlBackgroundBaseLowBrush" />
+            <StaticResource x:Key="ComboBoxFocusedDropDownBackgroundPointerPressed" ResourceKey="SystemControlBackgroundBaseMediumLowBrush" />
             <StaticResource x:Key="ComboBoxEditableDropDownGlyphForeground" ResourceKey="SystemControlForegroundBaseMediumHighBrush" />
         </ResourceDictionary>
     </ResourceDictionary.ThemeDictionaries>
diff --git a/dev/CommonStyles/TextBox_themeresources.xaml b/dev/CommonStyles/TextBox_themeresources.xaml
index 4622b944f1..ec4f269657 100644
--- a/dev/CommonStyles/TextBox_themeresources.xaml
+++ b/dev/CommonStyles/TextBox_themeresources.xaml
@@ -25,11 +25,12 @@
             <SolidColorBrush x:Key="TextBoxDisabledBorderThemeBrush" Color="#66FFFFFF" />
             <SolidColorBrush x:Key="TextBoxDisabledForegroundThemeBrush" Color="#FF666666" />
             <SolidColorBrush x:Key="TextBoxForegroundThemeBrush" Color="#FF000000" />
-            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemAltHighColor" />
+            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemControlBackgroundAltHighBrush" />
             <StaticResource x:Key="TextControlBorderBrush" ResourceKey="SystemControlForegroundBaseMediumBrush" />
             <StaticResource x:Key="TextControlBorderBrushPointerOver" ResourceKey="SystemControlHighlightBaseMediumHighBrush" />
-            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemBaseHighColor" />
-            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemBaseHighColor" />
+            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemControlForegroundBaseMediumHighBrush" />
+            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemControlForegroundBaseHighBrush" />
+            <StaticResource x:Key="TextControlPlaceholderForegroundFocused" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
         </ResourceDictionary>
         <ResourceDictionary x:Key="HighContrast">
             <SolidColorBrush x:Key="TextBoxForegroundHeaderThemeBrush" Color="{ThemeResource SystemColorButtonFaceColor}" />
@@ -49,11 +50,12 @@
             <SolidColorBrush x:Key="TextBoxDisabledBorderThemeBrush" Color="{ThemeResource SystemColorGrayTextColor}" />
             <SolidColorBrush x:Key="TextBoxDisabledForegroundThemeBrush" Color="{ThemeResource SystemColorButtonTextColor}" />
             <SolidColorBrush x:Key="TextBoxForegroundThemeBrush" Color="{ThemeResource SystemColorButtonTextColor}" />
-            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemAltHighColor" />
+            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemControlBackgroundAltHighBrush" />
             <StaticResource x:Key="TextControlBorderBrush" ResourceKey="SystemControlForegroundBaseMediumBrush" />
             <StaticResource x:Key="TextControlBorderBrushPointerOver" ResourceKey="SystemControlHighlightBaseMediumHighBrush" />
-            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemBaseHighColor" />
-            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemBaseHighColor" />
+            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemControlForegroundBaseMediumHighBrush" />
+            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemControlForegroundBaseHighBrush" />
+            <StaticResource x:Key="TextControlPlaceholderForegroundFocused" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
         </ResourceDictionary>
         <ResourceDictionary x:Key="Light">
             <SolidColorBrush x:Key="TextBoxForegroundHeaderThemeBrush" Color="#FF000000" />
@@ -73,11 +75,12 @@
             <SolidColorBrush x:Key="TextBoxDisabledBorderThemeBrush" Color="#26000000" />
             <SolidColorBrush x:Key="TextBoxDisabledForegroundThemeBrush" Color="#FF666666" />
             <SolidColorBrush x:Key="TextBoxForegroundThemeBrush" Color="#FF000000" />
-            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemAltHighColor" />
+            <StaticResource x:Key="TextControlBackgroundFocused" ResourceKey="SystemControlBackgroundAltHighBrush" />
             <StaticResource x:Key="TextControlBorderBrush" ResourceKey="SystemControlForegroundBaseMediumBrush" />
             <StaticResource x:Key="TextControlBorderBrushPointerOver" ResourceKey="SystemControlHighlightBaseMediumHighBrush" />
-            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemBaseHighColor" />
-            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemBaseHighColor" />
+            <StaticResource x:Key="TextControlButtonForeground" ResourceKey="SystemControlForegroundBaseMediumHighBrush" />
+            <StaticResource x:Key="TextControlForegroundFocused" ResourceKey="SystemControlForegroundBaseHighBrush" />
+            <StaticResource x:Key="TextControlPlaceholderForegroundFocused" ResourceKey="SystemControlForegroundBaseMediumLowBrush" />
         </ResourceDictionary>
     </ResourceDictionary.ThemeDictionaries>