def color(fontid: int, r: float, g: float, b: float, a: float):
    """Set the color for drawing text. 

    :param fontid: The id of the typeface as returned by blf.load(), for default font use 0. 
    :type fontid: int
    :param r: red channel 0.0 - 1.0. 
    :type r: float
    :param g: green channel 0.0 - 1.0. 
    :type g: float
    :param b: blue channel 0.0 - 1.0. 
    :type b: float
    :param a: alpha channel 0.0 - 1.0. 
    :type a: float
    """
    pass
