diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
index 577e3bbefdade..670980420a57e 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/IOverviewProxy.aidl
@@ -134,4 +134,9 @@ oneway interface IOverviewProxy {
      * Sent when some system ui state changes.
      */
     void onSystemUiStateChanged(int stateFlags) = 16;
+
+    /**
+     * Sent when the scrim colors (based on wallpaper) change.
+     */
+    void onScrimColorsChanged(int color, int type) = 17;
 }
diff --git a/packages/SystemUI/src/com/android/systemui/colorextraction/SysuiColorExtractor.java b/packages/SystemUI/src/com/android/systemui/colorextraction/SysuiColorExtractor.java
index 05665b5ae4a2d..de1069064518b 100644
--- a/packages/SystemUI/src/com/android/systemui/colorextraction/SysuiColorExtractor.java
+++ b/packages/SystemUI/src/com/android/systemui/colorextraction/SysuiColorExtractor.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.colorextraction;
 
+import android.annotation.ColorInt;
+import android.annotation.IntDef;
 import android.app.WallpaperColors;
 import android.app.WallpaperManager;
 import android.content.Context;
@@ -34,10 +36,13 @@ import com.android.internal.colorextraction.types.ExtractionType;
 import com.android.internal.colorextraction.types.Tonal;
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.systemui.Dumpable;
+import com.android.systemui.recents.OverviewProxyService;
 import com.android.systemui.statusbar.policy.ConfigurationController;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.Arrays;
 
 import javax.inject.Inject;
@@ -50,23 +55,41 @@ import javax.inject.Singleton;
 public class SysuiColorExtractor extends ColorExtractor implements Dumpable,
         ConfigurationController.ConfigurationListener {
     private static final String TAG = "SysuiColorExtractor";
+
+    public static final int SCRIM_TYPE_REGULAR = 1;
+    public static final int SCRIM_TYPE_LIGHT = 2;
+    public static final int SCRIM_TYPE_DARK = 3;
+
+    @IntDef(prefix = {"SCRIM_TYPE_"}, value = {
+            SCRIM_TYPE_REGULAR,
+            SCRIM_TYPE_LIGHT,
+            SCRIM_TYPE_DARK
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface ScrimType {
+    }
+
     private final Tonal mTonal;
+    private final OverviewProxyService mOverviewProxyService;
     private boolean mWallpaperVisible;
     private boolean mHasBackdrop;
     // Colors to return when the wallpaper isn't visible
     private final GradientColors mWpHiddenColors;
 
     @Inject
-    public SysuiColorExtractor(Context context, ConfigurationController configurationController) {
-        this(context, new Tonal(context), configurationController, true);
+    public SysuiColorExtractor(Context context, ConfigurationController configurationController,
+            OverviewProxyService overviewProxyService) {
+        this(context, new Tonal(context), configurationController, true, overviewProxyService);
     }
 
     @VisibleForTesting
     public SysuiColorExtractor(Context context, ExtractionType type,
-            ConfigurationController configurationController, boolean registerVisibility) {
+            ConfigurationController configurationController, boolean registerVisibility,
+            OverviewProxyService overviewProxyService) {
         super(context, type, false /* immediately */);
         mTonal = type instanceof Tonal ? (Tonal) type : new Tonal(context);
         mWpHiddenColors = new GradientColors();
+        mOverviewProxyService = overviewProxyService;
         configurationController.addCallback(this);
 
         WallpaperColors systemColors = getWallpaperColors(WallpaperManager.FLAG_SYSTEM);
@@ -110,17 +133,35 @@ public class SysuiColorExtractor extends ColorExtractor implements Dumpable,
             return;
         }
 
-        super.onColorsChanged(colors, which);
-
         if ((which & WallpaperManager.FLAG_SYSTEM) != 0) {
             updateDefaultGradients(colors);
         }
+        super.onColorsChanged(colors, which);
     }
 
     @Override
     public void onUiModeChanged() {
         WallpaperColors systemColors = getWallpaperColors(WallpaperManager.FLAG_SYSTEM);
         updateDefaultGradients(systemColors);
+        triggerColorsChanged(WallpaperManager.FLAG_SYSTEM);
+    }
+
+    @Override
+    protected void triggerColorsChanged(int which) {
+        super.triggerColorsChanged(which);
+
+        if (mWpHiddenColors != null && (which & WallpaperManager.FLAG_SYSTEM) != 0) {
+            @ColorInt int colorInt = mWpHiddenColors.getMainColor();
+            @ScrimType int scrimType;
+            if (colorInt == Tonal.MAIN_COLOR_LIGHT) {
+                scrimType = SCRIM_TYPE_LIGHT;
+            } else if (colorInt == Tonal.MAIN_COLOR_DARK) {
+                scrimType = SCRIM_TYPE_DARK;
+            } else {
+                scrimType = SCRIM_TYPE_REGULAR;
+            }
+            mOverviewProxyService.onScrimColorsChanged(colorInt, scrimType);
+        }
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
index 78c7cd406ba1b..c5591cf9d9476 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
@@ -31,6 +31,7 @@ import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_B
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NAV_BAR_HIDDEN;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_NOTIFICATION_PANEL_EXPANDED;
 
+import android.annotation.ColorInt;
 import android.annotation.FloatRange;
 import android.app.ActivityTaskManager;
 import android.content.BroadcastReceiver;
@@ -59,6 +60,7 @@ import com.android.internal.policy.ScreenDecorationsUtils;
 import com.android.systemui.Dependency;
 import com.android.systemui.Dumpable;
 import com.android.systemui.SysUiServiceProvider;
+import com.android.systemui.colorextraction.SysuiColorExtractor.ScrimType;
 import com.android.systemui.recents.OverviewProxyService.OverviewProxyListener;
 import com.android.systemui.shared.recents.IOverviewProxy;
 import com.android.systemui.shared.recents.ISystemUiProxy;
@@ -535,6 +537,16 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
         dispatchNavButtonBounds();
     }
 
+    public void onScrimColorsChanged(@ColorInt int color, @ScrimType int type) {
+        if (mOverviewProxy != null) {
+            try {
+                mOverviewProxy.onScrimColorsChanged(color, type);
+            } catch (RemoteException e) {
+                Log.e(TAG_OPS, "Failed to call onScrimColorsChanged()", e);
+            }
+        }
+    }
+
     private void dispatchNavButtonBounds() {
         if (mOverviewProxy != null && mActiveNavBarRegion != null) {
             try {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java b/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
index 67df60a3dcfc1..3d3c29564910e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/colorextraction/SysuiColorExtractorTests.java
@@ -34,10 +34,14 @@ import androidx.test.runner.AndroidJUnit4;
 import com.android.internal.colorextraction.ColorExtractor;
 import com.android.internal.colorextraction.types.Tonal;
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.recents.OverviewProxyService;
 import com.android.systemui.statusbar.policy.ConfigurationController;
 
+import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
 
 /**
  * Tests color extraction generation.
@@ -53,6 +57,13 @@ public class SysuiColorExtractorTests extends SysuiTestCase {
             ColorExtractor.TYPE_NORMAL,
             ColorExtractor.TYPE_DARK,
             ColorExtractor.TYPE_EXTRA_DARK};
+    @Mock
+    private OverviewProxyService mOverviewProxyService;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+    }
 
     @Test
     public void getColors_usesGreyIfWallpaperNotVisible() {
@@ -118,7 +129,8 @@ public class SysuiColorExtractorTests extends SysuiTestCase {
         Tonal tonal = mock(Tonal.class);
         ConfigurationController configurationController = mock(ConfigurationController.class);
         SysuiColorExtractor sysuiColorExtractor = new SysuiColorExtractor(getContext(),
-                tonal, configurationController, false /* registerVisibility */);
+                tonal, configurationController, false /* registerVisibility */,
+                mOverviewProxyService);
         verify(configurationController).addCallback(eq(sysuiColorExtractor));
 
         reset(tonal);
@@ -133,7 +145,7 @@ public class SysuiColorExtractorTests extends SysuiTestCase {
                     outGradientColorsNormal.set(colors);
                     outGradientColorsDark.set(colors);
                     outGradientColorsExtraDark.set(colors);
-                }, mock(ConfigurationController.class), false);
+                }, mock(ConfigurationController.class), false, mOverviewProxyService);
     }
 
     private void simulateEvent(SysuiColorExtractor extractor) {