Try adding this to your style in styles.xml and use whatever custom color you need.
<item name="android:actionModeBackground">@android:color/holo_orange_light</item>
You can also change the drawings for each icon using the same code.
android:actionModeCloseDrawable android:actionModeCopyDrawable android:actionModeCutDrawable android:actionModePasteDrawable android:actionModeSelectAllDrawable
Check out the tutorial here - http://www.codercowboy.com/2013/07/05/styling-the-contextual-action-bar-actionmode-divider-or-splitter-for-android/ for changing the icons of the action context bar . I was told that starting with actionMode , the attributes of the action context bar change
source share