diff --git a/packages/SystemUI/res/values-night/colors.xml b/packages/SystemUI/res/values-night/colors.xml
index dd3073fb5e65f..c5f4052b0e894 100644
--- a/packages/SystemUI/res/values-night/colors.xml
+++ b/packages/SystemUI/res/values-night/colors.xml
@@ -31,7 +31,10 @@
     <color name="notification_divider_color">#212121</color>
 
     <!-- The background color of the notification shade -->
-    <color name="notification_shade_background_color">#181818</color>
+    <color name="notification_shade_background_color">@color/GM2_grey_900</color>
+
+    <!-- The color of the gear shown behind a notification -->
+    <color name="notification_gear_color">@color/GM2_grey_500</color>
 
     <!-- The color of the ripples on the untinted notifications -->
     <color name="notification_ripple_untinted_color">#30ffffff</color>
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index abf4fdf03b93a..e7a1a660abc27 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -74,7 +74,7 @@
     <color name="notification_divider_color">#FF616161</color>
 
     <!-- The background color of the notification shade -->
-    <color name="notification_shade_background_color">#ffeeeeee</color>
+    <color name="notification_shade_background_color">@color/GM2_grey_200</color>
 
     <!-- The color of the ripples on the untinted notifications -->
     <color name="notification_ripple_untinted_color">#28000000</color>
@@ -83,7 +83,7 @@
     <color name="notification_ripple_tinted_color">#30ffffff</color>
 
     <!-- The color of the gear shown behind a notification -->
-    <color name="notification_gear_color">#ff757575</color>
+    <color name="notification_gear_color">@color/GM2_grey_700</color>
 
     <!-- The color of the text inside a notification -->
     <color name="notification_primary_text_color">@*android:color/notification_primary_text_color_light</color>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index a517e760c8b4f..e6f47315bf4c0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -939,18 +939,11 @@ public class NotificationStackScrollLayout extends ViewGroup implements ScrollAd
             return;
         }
 
-        float alpha =
-                BACKGROUND_ALPHA_DIMMED + (1 - BACKGROUND_ALPHA_DIMMED) * (1.0f - mDimAmount);
-        alpha *= 1f - mInterpolatedDarkAmount;
-        // We need to manually blend in the background color.
-        int scrimColor = mScrimController.getBackgroundColor();
-        int awakeColor = ColorUtils.blendARGB(scrimColor, mBgColor, alpha);
-
         // Interpolate between semi-transparent notification panel background color
         // and white AOD separator.
         float colorInterpolation = MathUtils.smoothStep(0.4f /* start */, 1f /* end */,
                 mLinearDarkAmount);
-        int color = ColorUtils.blendARGB(awakeColor, Color.WHITE, colorInterpolation);
+        int color = ColorUtils.blendARGB(mBgColor, Color.WHITE, colorInterpolation);
 
         if (mCachedBackgroundColor != color) {
             mCachedBackgroundColor = color;