'Returns an *RGB* tuple of three floats from 0-1.
*arg* can be an *RGB* or *RGBA* sequence or a string in any of
several forms:
1) a letter from the set \'rgbcmykw\'
2) a hex color string, like \'#00FFFF\'
3) a standard name, like \'aqua\'
4) a string representation of a float, like \'0.4\',
indicating gray on a 0-1 scale
if *arg* is *RGBA*, the *A* will simply be discarded.'

@staticmethod
def to_rgb(arg):

    return to_rgb(arg)
