Match a valid color token. Valid color tokens are: - Ascii name for css color (ie: `red`). - #RRGGBB (ie: `#ff0000` for red) - #RRGGBBAA (ie: `#00000000` for transparent) - `transparent` TODO: implement parsing for other formats.
(lex: &mut Lexer, _: Style)
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected