ref: c371fd5f4d42288acf734fcf7474b6a916ac4cf6
dir: /gui-android/res/values/colors.xml/
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="colorPrimary">#3F51B5</color>
<color name="colorPrimaryDark">#303F9F</color>
<color name="colorAccent">#3FB551</color>
</resources>