Almond/resources/gradients/rainbow.xml

<gradient repeat="true">
    <color r="255" g="255" b="255" p="0" />
    <color r="210" g="210" b="210" p="3" />
    <color r="150" g="150" b="150" p="7" />
    <color r="255" g="0" b="0" p="10" />
    <color r="255" g="255" b="0" p="15" />
    <color r="0" g="255" b="0" p="20" />
    <color r="0" g="255" b="255" p="25" />
    <color r="0" g="0" b="255" p="30" />
    <color r="255" g="0" b="255" p="35" />
    <color r="255" g="255" b="255" p="40" />
</gradient>