How to change color of the back arrow in the new material theme (AppCompat v21) Source: http://stackoverflow.com/a/27517878
<style name="MyTheme" parent="Theme.AppCompat.Light">
<item name="actionBarTheme">@style/MyApp.ActionBarTheme</item>
<!-- color for widget theming, eg EditText. Doesn't effect ActionBar. -->
<item name="colorControlNormal">@color/MY_AWESOME_COLOR</item>
</style>
<style name="MyApp.ActionBarTheme" parent="@style/ThemeOverlay.AppCompat.ActionBar">
<!-- THIS is where you can color the arrow! -->
<item name="colorControlNormal">@color/MY_AWESOME_COLOR</item>
</style>