Setting Action Bar background color (appcompat) support all versions

AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.actionbartest2"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="19" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
         android:theme="@style/CustomActionBarTheme"
      >
        <activity android:name="ActionBarTestMainActivity">
            <intent-filter>
                <category android:name="android.intent.category.LAUNCHER"/>
                <action android:name="android.intent.action.MAIN"/>
            </intent-filter>
        </activity>
    </application>

</manifest>

styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:tools="http://schemas.android.com/tools" xmlns:android="http://schemas.android.com/apk/res/android">

    <style name="MyActionBar" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
        <item name="android:background" tools:ignore="NewApi">@color/accent_green</item>
        <item name="background">@color/accent_green</item>
    </style>

    <style name="CustomActionBarTheme" parent="@style/Theme.AppCompat.Light">
        <item name="android:actionBarStyle" tools:ignore="NewApi">@style/MyActionBar</item>
        <item name="actionBarStyle">@style/MyActionBar</item>
    </style>

</resources>