diff --git a/dev/Materials/Acrylic/AcrylicBrush_19h1_themeresources.xaml b/dev/Materials/Acrylic/AcrylicBrush_19h1_themeresources.xaml
index c962c1097e..25a276a32b 100644
--- a/dev/Materials/Acrylic/AcrylicBrush_19h1_themeresources.xaml
+++ b/dev/Materials/Acrylic/AcrylicBrush_19h1_themeresources.xaml
@@ -36,14 +36,14 @@
                 BackgroundSource="Backdrop"/>
             <local:AcrylicBrush
                 x:Key="AcrylicBackgroundFillColorBaseBrush"
-                TintColor="#1C1C1C"
-                TintOpacity="0.75"
+                TintColor="#202020"
+                TintOpacity="0.5"
                 FallbackColor="#1C1C1C"
                 BackgroundSource="HostBackdrop"/>
             <local:AcrylicBrush
                 x:Key="AcrylicInAppFillColorBaseBrush"
-                TintColor="#1C1C1C"
-                TintOpacity="0.75"
+                TintColor="#202020"
+                TintOpacity="0.5"
                 FallbackColor="#1C1C1C"
                 BackgroundSource="Backdrop"/>
             <local:AcrylicBrush
diff --git a/dev/Materials/Acrylic/AcrylicBrush_rs2_themeresources.xaml b/dev/Materials/Acrylic/AcrylicBrush_rs2_themeresources.xaml
index d1a563498b..3ea8238fa2 100644
--- a/dev/Materials/Acrylic/AcrylicBrush_rs2_themeresources.xaml
+++ b/dev/Materials/Acrylic/AcrylicBrush_rs2_themeresources.xaml
@@ -241,13 +241,13 @@
                 BackgroundSource="Backdrop"/>
             <local:AcrylicBrush
                 x:Key="AcrylicBackgroundFillColorBaseBrush"
-                TintColor="#1C1C1C"
+                TintColor="#202020"
                 TintOpacity="0.8"
                 FallbackColor="#1C1C1C"
                 BackgroundSource="HostBackdrop"/>
             <local:AcrylicBrush
                 x:Key="AcrylicInAppFillColorBaseBrush"
-                TintColor="#1C1C1C"
+                TintColor="#202020"
                 TintOpacity="0.8"
                 FallbackColor="#1C1C1C"
                 BackgroundSource="Backdrop"/>
diff --git a/dev/dll/XamlControlsResources.cpp b/dev/dll/XamlControlsResources.cpp
index 64b6976d33..537e293af8 100644
--- a/dev/dll/XamlControlsResources.cpp
+++ b/dev/dll/XamlControlsResources.cpp
@@ -209,11 +209,11 @@ void XamlControlsResources::UpdateAcrylicBrushesDarkTheme(const winrt::IInspecta
         }
         if (const auto acrylicBackgroundFillColorBaseBrush = dictionary.Lookup(box_value(c_AcrylicBackgroundFillColorBaseBrush)).try_as<winrt::AcrylicBrush>())
         {
-            acrylicBackgroundFillColorBaseBrush.TintLuminosityOpacity(0.92);
+            acrylicBackgroundFillColorBaseBrush.TintLuminosityOpacity(0.96);
         }
         if (const auto acrylicInAppFillColorBaseBrush = dictionary.Lookup(box_value(c_AcrylicInAppFillColorBaseBrush)).try_as<winrt::AcrylicBrush>())
         {
-            acrylicInAppFillColorBaseBrush.TintLuminosityOpacity(0.92);
+            acrylicInAppFillColorBaseBrush.TintLuminosityOpacity(0.96);
         }
         if (const auto accentAcrylicBackgroundFillColorDefaultBrush = dictionary.Lookup(box_value(c_AccentAcrylicBackgroundFillColorDefaultBrush)).try_as<winrt::AcrylicBrush>())
         {