Android/base/src/main/res/values/colors.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="colorPrimary">#666699</color>
    <color name="colorPrimaryDark">#222277</color>
    <color name="colorAccent">#e91e63</color>
    <color name="colorWhite">#ffffff</color>
    <color name="colorBlack">#000000</color>
    <color name="colorSecondary">#cc0000</color>
    <color name="colorBackground">#e0e0e0</color>
    <color name="colorGray">#9e9e9e</color>
</resources>