diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index deb1147..5896f5a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1192,7 +1192,7 @@
 
         // Setup the drag controller (drop targets have to be added in reverse order in priority)
         mDropTargetBar.setup(mDragController);
-        mAllAppsController.setupViews(mAppsView);
+        mAllAppsController.setupViews(mScrimView, mAppsView);
     }
 
     /**
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index b11b63e..47236b6 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -26,6 +26,7 @@
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Canvas;
+import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Point;
 import android.graphics.Rect;
@@ -44,6 +45,7 @@
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
+import androidx.core.graphics.ColorUtils;
 import androidx.core.os.BuildCompat;
 import androidx.recyclerview.widget.DefaultItemAnimator;
 import androidx.recyclerview.widget.LinearLayoutManager;
@@ -66,6 +68,7 @@
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.RecyclerViewFastScroller;
+import com.android.launcher3.views.ScrimView;
 import com.android.launcher3.views.SpringRelativeLayout;
 import com.android.launcher3.workprofile.PersonalWorkSlidingTabStrip.OnActivePageChangedListener;
 
@@ -73,13 +76,16 @@
  * The all apps view container.
  */
 public class AllAppsContainerView extends SpringRelativeLayout implements DragSource,
-        Insettable, OnDeviceProfileChangeListener, OnActivePageChangedListener {
+        Insettable, OnDeviceProfileChangeListener, OnActivePageChangedListener,
+        ScrimView.ScrimDrawingController {
 
     private static final float FLING_VELOCITY_MULTIPLIER = 1000f;
 
     // Starts the springs after at least 25% of the animation has passed.
     private static final float FLING_ANIMATION_THRESHOLD = 0.25f;
 
+    private final Paint mHeaderPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+
     protected final BaseDraggingActivity mLauncher;
     protected final AdapterHolder[] mAH;
     private final ItemInfoMatcher mPersonalMatcher = ItemInfoMatcher.ofUser(Process.myUserHandle());
@@ -93,7 +99,7 @@
     private View mSearchContainer;
     private AllAppsPagedView mViewPager;
 
-    private FloatingHeaderView mHeader;
+    protected FloatingHeaderView mHeader;
     private WorkModeSwitch mWorkModeSwitch;
 
 
@@ -107,7 +113,14 @@
 
     private Rect mInsets = new Rect();
 
-    SearchAdapterProvider mSearchAdapterProvider;
+    private SearchAdapterProvider mSearchAdapterProvider;
+    private final int mHeaderTopPadding;
+    private final int mScrimColor;
+    private final int mHeaderProtectionColor;
+    private final float mHeaderThreshold;
+    private ScrimView mScrimView;
+    private int mHeaderColor;
+
 
     public AllAppsContainerView(Context context) {
         this(context, null);
@@ -121,8 +134,19 @@
         super(context, attrs, defStyleAttr);
 
         mLauncher = BaseDraggingActivity.fromContext(context);
+
+        mScrimColor = Themes.getAttrColor(context, R.attr.allAppsScrimColor);
+        mHeaderThreshold = getResources().getDimensionPixelSize(
+                R.dimen.dynamic_grid_cell_border_spacing);
+        mHeaderTopPadding = context.getResources()
+                .getDimensionPixelSize(R.dimen.all_apps_header_top_padding);
+        int accentColor = Themes.getColorAccent(getContext());
+        mHeaderProtectionColor = ColorUtils.blendARGB(mScrimColor, accentColor, .3f);
+
         mLauncher.addOnDeviceProfileChangeListener(this);
 
+
+
         mSearchAdapterProvider = mLauncher.createSearchAdapterProvider(this);
         mSearchQueryBuilder = new SpannableStringBuilder();
         Selection.setSelection(mSearchQueryBuilder, 0);
@@ -300,6 +324,7 @@
         }
         // Reset the search bar and base recycler view after transitioning home
         mSearchUiManager.resetSearch();
+        updateHeaderScroll(0);
     }
 
     @Override
@@ -625,6 +650,26 @@
         outRect.offset(0, (int) getTranslationY());
     }
 
+    @Override
+    public void setTranslationY(float translationY) {
+        super.setTranslationY(translationY);
+        invalidateHeader();
+    }
+
+    public void setScrimView(ScrimView scrimView) {
+        mScrimView = scrimView;
+    }
+
+    @Override
+    public void drawOnScrim(Canvas canvas) {
+        mHeaderPaint.setColor(mHeaderColor);
+        mHeaderPaint.setAlpha((int) (getAlpha() * Color.alpha(mHeaderColor)));
+        if (mHeaderPaint.getColor() != mScrimColor && mHeaderPaint.getColor() != 0) {
+            canvas.drawRect(0, 0, getWidth(), mHeaderTopPadding + getTranslationY(),
+                    mHeaderPaint);
+        }
+    }
+
     public class AdapterHolder {
         public static final int MAIN = 0;
         public static final int WORK = 1;
@@ -725,4 +770,24 @@
             return mOverlay;
         }
     }
+
+
+    protected void updateHeaderScroll(int scrolledOffset) {
+        float prog = Math.max(0, Math.min(1, (float) scrolledOffset / mHeaderThreshold));
+        int headerColor = ColorUtils.setAlphaComponent(mHeaderProtectionColor, (int) (prog * 255));
+        if (headerColor != mHeaderColor) {
+            mHeaderColor = headerColor;
+            getSearchView().setBackgroundColor(mHeaderColor);
+            invalidateHeader();
+        }
+    }
+
+    /**
+     * redraws header protection
+     */
+    public void invalidateHeader() {
+        if (mScrimView != null) {
+            mScrimView.invalidate();
+        }
+    }
 }
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index b1c764c..197d74c 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -38,6 +38,7 @@
 import com.android.launcher3.BaseDraggingActivity;
 import com.android.launcher3.BaseRecyclerView;
 import com.android.launcher3.DeviceProfile;
+import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
 import com.android.launcher3.logging.StatsLogManager;
@@ -52,6 +53,7 @@
 public class AllAppsRecyclerView extends BaseRecyclerView {
     private static final String TAG = "AllAppsContainerView";
     private static final boolean DEBUG = false;
+    private final Launcher mLauncher;
 
     private AlphabeticalAppsList mApps;
     private final int mNumAppsPerRow;
@@ -87,6 +89,7 @@
                 R.dimen.all_apps_empty_search_bg_top_offset);
         mNumAppsPerRow = LauncherAppState.getIDP(context).numColumns;
         mFastScrollHelper = new AllAppsFastScrollHelper(this);
+        mLauncher = Launcher.getLauncher(context);
     }
 
     /**
@@ -200,6 +203,12 @@
     }
 
     @Override
+    public void onScrolled(int dx, int dy) {
+        super.onScrolled(dx, dy);
+        mLauncher.getAppsView().updateHeaderScroll(getCurrentScrollY());
+    }
+
+    @Override
     public boolean onInterceptTouchEvent(MotionEvent e) {
         boolean result = super.onInterceptTouchEvent(e);
         if (!result && e.getAction() == MotionEvent.ACTION_DOWN
@@ -410,7 +419,7 @@
 
     /**
      * Returns the available scroll height:
-     *   AvailableScrollHeight = Total height of the all items - last page height
+     * AvailableScrollHeight = Total height of the all items - last page height
      */
     @Override
     protected int getAvailableScrollHeight() {
diff --git a/src/com/android/launcher3/allapps/AllAppsTransitionController.java b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
index c4c7891..90f2d7c 100644
--- a/src/com/android/launcher3/allapps/AllAppsTransitionController.java
+++ b/src/com/android/launcher3/allapps/AllAppsTransitionController.java
@@ -45,6 +45,7 @@
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StateManager.StateHandler;
 import com.android.launcher3.states.StateAnimationConfig;
+import com.android.launcher3.views.ScrimView;
 
 /**
  * Handles AllApps view transition.
@@ -88,6 +89,7 @@
     private float mProgress;        // [0, 1], mShiftRange * mProgress = shiftCurrent
 
     private float mScrollRangeDelta = 0;
+    private ScrimView mScrimView;
 
     public AllAppsTransitionController(Launcher l) {
         mLauncher = l;
@@ -158,7 +160,7 @@
 
         Interpolator interpolator = toState.equals(ALL_APPS)
                 ? (config.userControlled ? ACCEL_2 : ACCEL_0_75) :
-                        (config.userControlled ? DEACCEL_2 : DEACCEL);
+                (config.userControlled ? DEACCEL_2 : DEACCEL);
 
         Animator anim = createSpringAnimation(mProgress, targetProgress);
         anim.setInterpolator(config.getInterpolator(ANIM_VERTICAL_PROGRESS, interpolator));
@@ -181,19 +183,28 @@
 
         Interpolator allAppsFade = config.getInterpolator(ANIM_ALL_APPS_FADE, LINEAR);
         setter.setViewAlpha(mAppsView, hasAllAppsContent ? 1 : 0, allAppsFade);
+
+        boolean shouldProtectHeader =
+                ALL_APPS == state || mLauncher.getStateManager().getState() == ALL_APPS;
+        mScrimView.setDrawingController(shouldProtectHeader ? mAppsView : null);
     }
 
     public AnimatorListenerAdapter getProgressAnimatorListener() {
         return AnimationSuccessListener.forRunnable(this::onProgressAnimationEnd);
     }
 
-    public void setupViews(AllAppsContainerView appsView) {
+    /**
+     * see Launcher#setupViews
+     */
+    public void setupViews(ScrimView scrimView, AllAppsContainerView appsView) {
+        mScrimView = scrimView;
         mAppsView = appsView;
         if (FeatureFlags.ENABLE_DEVICE_SEARCH.get() && Utilities.ATLEAST_R) {
             mLauncher.getSystemUiController().updateUiState(UI_STATE_ALLAPPS,
                     View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                             | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
         }
+        mAppsView.setScrimView(scrimView);
     }
 
     /**
diff --git a/src/com/android/launcher3/views/ScrimView.java b/src/com/android/launcher3/views/ScrimView.java
index 5387a3e..0ba94ab 100644
--- a/src/com/android/launcher3/views/ScrimView.java
+++ b/src/com/android/launcher3/views/ScrimView.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.util.SystemUiController.UI_STATE_SCRIM_VIEW;
 
 import android.content.Context;
+import android.graphics.Canvas;
 import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.util.AttributeSet;
@@ -37,13 +38,16 @@
 
     private SystemUiController mSystemUiController;
 
+    private ScrimDrawingController mDrawingController;
+
     public ScrimView(Context context, AttributeSet attrs) {
         super(context, attrs);
         setFocusable(false);
     }
 
     @Override
-    public void setInsets(Rect insets) { }
+    public void setInsets(Rect insets) {
+    }
 
     @Override
     public boolean hasOverlappingRendering() {
@@ -63,6 +67,14 @@
     }
 
     @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        if (mDrawingController != null) {
+            mDrawingController.drawOnScrim(canvas);
+        }
+    }
+
+    @Override
     protected void onVisibilityChanged(View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
         updateSysUiColors();
@@ -96,4 +108,24 @@
         return ColorUtils.calculateLuminance(
                 ((ColorDrawable) getBackground()).getColor()) < 0.5f;
     }
+
+    /**
+     * Sets drawing controller. Invalidates ScrimView if drawerController has changed.
+     */
+    public void setDrawingController(ScrimDrawingController drawingController) {
+        if (mDrawingController != drawingController) {
+            mDrawingController = drawingController;
+            invalidate();
+        }
+    }
+
+    /**
+     * A Utility interface allowing for other surfaces to draw on ScrimView
+     */
+    public interface ScrimDrawingController {
+        /**
+         * Called inside ScrimView#OnDraw
+         */
+        void drawOnScrim(Canvas canvas);
+    }
 }