--- a/mobile/android/base/toolbar/BackButton.java
+++ b/mobile/android/base/toolbar/BackButton.java
@@ -36,17 +36,17 @@ public class BackButton extends ShapedBu
         mBorderPath = new Path();
 
         setPrivateMode(false);
     }
 
     @Override
     public void setPrivateMode(boolean isPrivate) {
         super.setPrivateMode(isPrivate);
-        mBorderPaint.setColor(isPrivate ? 0xFF363B40 : 0xFFB5B5B5);
+        mBorderPaint.setColor(isPrivate ? 0xFF5F6368 : 0xFFBFBFBF);
     }
 
     @Override
     protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
         super.onSizeChanged(width, height, oldWidth, oldHeight);
 
         mPath.reset();
         mPath.addCircle(width/2, height/2, width/2, Path.Direction.CW);

--- a/mobile/android/base/toolbar/ForwardButton.java
+++ b/mobile/android/base/toolbar/ForwardButton.java
@@ -35,17 +35,17 @@ public class ForwardButton extends Shape
         mBorderPath = new Path();
 
         setPrivateMode(false);
     }
 
     @Override
     public void setPrivateMode(boolean isPrivate) {
         super.setPrivateMode(isPrivate);
-        mBorderPaint.setColor(isPrivate ? 0xFF363B40 : 0xFFBFBFBF);
+        mBorderPaint.setColor(isPrivate ? 0xFF5F6368 : 0xFFBFBFBF);
     }
 
     @Override
     protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
         super.onSizeChanged(width, height, oldWidth, oldHeight);
 
         mBorderPath.reset();
         mBorderPath.moveTo(width - mBorderWidth, 0);