@NonNull
        public Builder setColorScheme(@ColorScheme int colorScheme) {
            if (colorScheme < 0 || colorScheme > COLOR_SCHEME_MAX) {
                throw new IllegalArgumentException("Invalid value for the colorScheme argument");
            }
            mIntent.putExtra(EXTRA_COLOR_SCHEME, colorScheme);
            return this;
        }
Sets the color scheme that should be applied to the user interface in the custom tab.

@param colorScheme Desired color scheme.
@see CustomTabsIntent#COLOR_SCHEME_SYSTEM
@see CustomTabsIntent#COLOR_SCHEME_LIGHT
@see CustomTabsIntent#COLOR_SCHEME_DARK
customtabs/src/android/support/customtabs/CustomTabsIntent.java