diff --git a/ModernWpf/ThemeResources/Dark.xaml b/ModernWpf/ThemeResources/Dark.xaml
index 48499092..3f51d9d4 100644
--- a/ModernWpf/ThemeResources/Dark.xaml
+++ b/ModernWpf/ThemeResources/Dark.xaml
@@ -271,7 +271,7 @@
 
     <Color x:Key="SmokeFillColorDefault">#332C2C2C</Color>
 
-    <Color x:Key="LayerFillColorDefault">#09FFFFFF</Color>
+    <Color x:Key="LayerFillColorDefault">#4C3A3A3A</Color>
     <Color x:Key="LayerFillColorAlt">#0DFFFFFF</Color>
     <Color x:Key="LayerOnAcrylicFillColorDefault">#09FFFFFF</Color>
     <Color x:Key="LayerOnAccentAcrylicFillColorDefault">#09FFFFFF</Color>
diff --git a/ModernWpf/ThemeResources/Light.xaml b/ModernWpf/ThemeResources/Light.xaml
index c1c0d087..575893a5 100644
--- a/ModernWpf/ThemeResources/Light.xaml
+++ b/ModernWpf/ThemeResources/Light.xaml
@@ -200,7 +200,7 @@
     <!-- Colors -->
 
     <Color x:Key="TextFillColorPrimary">#E4000000</Color>
-    <Color x:Key="TextFillColorSecondary">#93000000</Color>
+    <Color x:Key="TextFillColorSecondary">#9E000000</Color>
     <Color x:Key="TextFillColorTertiary">#72000000</Color>
     <Color x:Key="TextFillColorDisabled">#5C000000</Color>
     <Color x:Key="TextFillColorInverse">#FFFFFF</Color>