custom.xml

<theme>
	<formatVersion>4</formatVersion>

	<view name="system">
		<image name="background" extra="true">
		</image>
		<image name="band1" extra="true">
			<color>CB2027</color>
		</image>
		<image name="band2" extra="true">
			<color>991A37</color>
		</image>
		<image name="band3" extra="true">
			<color>FFCD05</color>
		</image>
		<image name="band4" extra="true">
			<color>669A40</color>
		</image>
	</view>

	<view name="basic, detailed">
		<image name="background" extra="true">
		</image>
		<image name="band1" extra="true">
			<color>CB2027</color>
		</image>
		<image name="band2" extra="true">
			<color>991A37</color>
		</image>
		<image name="band3" extra="true">
			<color>FFCD05</color>
		</image>
		<image name="band4" extra="true">
			<color>669A40</color>
		</image>
	</view>
</theme>