diff --git a/ModernWpf/ThemeResources/Dark.xaml b/ModernWpf/ThemeResources/Dark.xaml
index eb3f4436..c8e3c0ca 100644
--- a/ModernWpf/ThemeResources/Dark.xaml
+++ b/ModernWpf/ThemeResources/Dark.xaml
@@ -283,7 +283,6 @@
     <Color x:Key="SolidBackgroundFillColorTertiary">#282828</Color>
     <Color x:Key="SolidBackgroundFillColorQuarternary">#2C2C2C</Color>
 
-    <Color x:Key="SystemFillColorAttention">#50C0FF</Color>
     <Color x:Key="SystemFillColorSuccess">#6CCB5F</Color>
     <Color x:Key="SystemFillColorCaution">#FCE100</Color>
     <Color x:Key="SystemFillColorCritical">#FF99A4</Color>
@@ -386,7 +385,7 @@
     <SolidColorBrush x:Key="SolidBackgroundFillColorTertiaryBrush" Color="{StaticResource SolidBackgroundFillColorTertiary}" />
     <SolidColorBrush x:Key="SolidBackgroundFillColorQuarternaryBrush" Color="{StaticResource SolidBackgroundFillColorQuarternary}" />
 
-    <SolidColorBrush x:Key="SystemFillColorAttentionBrush" Color="{StaticResource SystemFillColorAttention}" />
+    <SolidColorBrush x:Key="SystemFillColorAttentionBrush" Color="{m:DynamicColor SystemAccentColorLight2}" />
     <SolidColorBrush x:Key="SystemFillColorSuccessBrush" Color="{StaticResource SystemFillColorSuccess}" />
     <SolidColorBrush x:Key="SystemFillColorCautionBrush" Color="{StaticResource SystemFillColorCaution}" />
     <SolidColorBrush x:Key="SystemFillColorCriticalBrush" Color="{StaticResource SystemFillColorCritical}" />
diff --git a/ModernWpf/ThemeResources/Light.xaml b/ModernWpf/ThemeResources/Light.xaml
index 504de311..b15967e8 100644
--- a/ModernWpf/ThemeResources/Light.xaml
+++ b/ModernWpf/ThemeResources/Light.xaml
@@ -283,7 +283,6 @@
     <Color x:Key="SolidBackgroundFillColorTertiary">#F9F9F9</Color>
     <Color x:Key="SolidBackgroundFillColorQuarternary">#FFFFFF</Color>
 
-    <Color x:Key="SystemFillColorAttention">#0070CB</Color>
     <Color x:Key="SystemFillColorSuccess">#0F7B0F</Color>
     <Color x:Key="SystemFillColorCaution">#9D5D00</Color>
     <Color x:Key="SystemFillColorCritical">#C42B1C</Color>
@@ -386,7 +385,7 @@
     <SolidColorBrush x:Key="SolidBackgroundFillColorTertiaryBrush" Color="{StaticResource SolidBackgroundFillColorTertiary}" />
     <SolidColorBrush x:Key="SolidBackgroundFillColorQuarternaryBrush" Color="{StaticResource SolidBackgroundFillColorQuarternary}" />
 
-    <SolidColorBrush x:Key="SystemFillColorAttentionBrush" Color="{StaticResource SystemFillColorAttention}" />
+    <SolidColorBrush x:Key="SystemFillColorAttentionBrush" Color="{m:DynamicColor SystemAccentColor}" />
     <SolidColorBrush x:Key="SystemFillColorSuccessBrush" Color="{StaticResource SystemFillColorSuccess}" />
     <SolidColorBrush x:Key="SystemFillColorCautionBrush" Color="{StaticResource SystemFillColorCaution}" />
     <SolidColorBrush x:Key="SystemFillColorCriticalBrush" Color="{StaticResource SystemFillColorCritical}" />