<resources>
<style name="AppBaseTheme" parent="@style/Theme.Holo.Light">
<item name="android:windowBackground">@color/background_gray</item>
<item name="android:actionBarStyle">@style/GreenActionBar</item>
</style>
<style name="AppTheme" parent="AppBaseTheme"/>
<style name="GreenActionBarBase" parent="@style/Widget.THE_STYLE_YOU_WANT">
<item name="android:background">#00c341</item>
</style>
<style name="GreenActionBar" parent="GreenActionBarBase"/>
</resources>
Check the answer. I think you need to have a parent for the GreenActionBarBase
.