USAGE in app build.gradle: DefaultRibbonFilter defines debug, qa and release: ribbonizer { __builder { ApplicationVariant variant, File iconFile -> ____return defaultRibbonFilter(variant, iconFile) __} } For other buildTypes use: ribbonizer { __builder { ApplicationVariant variant, File iconFile -> ____if (variant.buildType.name == "buildtype") { ______return customColorRibbonFilter(variant, iconFile, "#backgroundColor") ______// or ______return customColorRibbonFilter(variant, iconFile, "#backgroundColor", "#fontColor") ____} __} }