diff --git a/extensions/theme-defaults/themes/dark_plus_experimental.json b/extensions/theme-defaults/themes/dark_plus_experimental.json
index f5e9c3f3ce3a1..0eeea832e42a1 100644
--- a/extensions/theme-defaults/themes/dark_plus_experimental.json
+++ b/extensions/theme-defaults/themes/dark_plus_experimental.json
@@ -6,7 +6,7 @@
 		"activityBar.activeBorder": "#0078d4",
 		"activityBar.background": "#181818",
 		"activityBar.border": "#ffffff15",
-		"activityBar.foreground": "#cccccc",
+		"activityBar.foreground": "#d7d7d7",
 		"activityBar.inactiveForeground": "#ffffff80",
 		"activityBarBadge.background": "#0078d4",
 		"activityBarBadge.foreground": "#ffffff",
diff --git a/extensions/theme-defaults/themes/light_plus_experimental.json b/extensions/theme-defaults/themes/light_plus_experimental.json
index 16d2de9d9a797..157d78d40248c 100644
--- a/extensions/theme-defaults/themes/light_plus_experimental.json
+++ b/extensions/theme-defaults/themes/light_plus_experimental.json
@@ -6,7 +6,7 @@
 		"activityBar.activeBorder": "#005FB8",
 		"activityBar.background": "#f8f8f8",
 		"activityBar.border": "#0000001a",
-		"activityBar.foreground": "#3b3b3b",
+		"activityBar.foreground": "#1f1f1f",
 		"activityBar.inactiveForeground": "#0000009e",
 		"activityBarBadge.background": "#005FB8",
 		"activityBarBadge.foreground": "#ffffff",