Bright text color. This does not differentiate the disabled state. As an example, buttons use this since they display the disabled state via the background and not the foreground text color.

May be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".

May be a color value, in the form of "#rgb", "#argb", "#rrggbb", or "#aarrggbb".

[Android Documentation]