Values-v21/styles.xml

<resources>

    <!--
        Base application theme, dependent on API level. This theme is replaced
        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
    -->
    <!-- Application theme. -->
    <style name="AppBaseTheme" parent="android:Theme.Material">
        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
    <!--   your app branding color for the app bar -->
    <item name="android:colorPrimary">@color/green</item>
    <!--   darker variant for the status bar and contextual app bars -->
    <item name="android:colorPrimaryDark">@color/dark_green</item>
    </style>
<style name="LaucherTheme">
        <item name="android:textColor">#FFFFFF</item>
        <item name="windowActionBar">false</item>
        <item name="android:windowTitleSize">0dp</item>
    </style>
</resources>