diff --git a/core/java/com/android/internal/util/ContrastColorUtil.java b/core/java/com/android/internal/util/ContrastColorUtil.java
index bf088e0a27554..8508a8dd71a49 100644
--- a/core/java/com/android/internal/util/ContrastColorUtil.java
+++ b/core/java/com/android/internal/util/ContrastColorUtil.java
@@ -73,7 +73,7 @@ public class ContrastColorUtil {
 
     private ContrastColorUtil(Context context) {
         mGrayscaleIconMaxSize = context.getResources().getDimensionPixelSize(
-                com.android.internal.R.dimen.notification_large_icon_width);
+                com.android.internal.R.dimen.notification_grayscale_icon_max_size);
     }
 
     /**
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index c9e6dd86245ee..329dbc0ecfffd 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -684,6 +684,8 @@
     <dimen name="notification_media_image_max_width_low_ram">100dp</dimen>
     <!-- The size of the right icon image when on low ram -->
     <dimen name="notification_right_icon_size_low_ram">@dimen/notification_right_icon_size</dimen>
+    <!-- The maximum size of the grayscale icon -->
+    <dimen name="notification_grayscale_icon_max_size">256dp</dimen>
 
     <dimen name="messaging_avatar_size">52dp</dimen>
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index d3a0e875c2d87..de4a6ef425cfb 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3336,6 +3336,7 @@
   <java-symbol type="dimen" name="notification_media_image_max_width_low_ram"/>
   <java-symbol type="dimen" name="notification_media_image_max_height_low_ram"/>
   <java-symbol type="dimen" name="notification_right_icon_size_low_ram"/>
+  <java-symbol type="dimen" name="notification_grayscale_icon_max_size"/>
   <java-symbol type="dimen" name="notification_custom_view_max_image_height_low_ram"/>
   <java-symbol type="dimen" name="notification_custom_view_max_image_width_low_ram"/>