The htmlcolor module parses HTML/CSS colors. It accepts regular hexadecimal
notation, CSS shorthand notation and named colors. In addition it also supports
four-component colors such as RGBA.

>>> import htmlcolor
>>> parser = htmlcolor.Parser()
>>> parser.parse('#ff7700')
(255, 119, 0)
>>> parser.parse('#f70')
(255, 119, 0)
>>> parser.parse('hotpink')
(255, 105, 180)
>>> parser.parse('ff7700')
(255, 119, 0)