How to use the vcsi.vcsi.Color function in vcsi

def hex_color_type(string):
    """Type parser for argparse. Argument must be an hexadecimal number representing a color.
    For example 'AABBCC' (RGB) or 'AABBCCFF' (RGBA). An exception will be raised if the argument
    is not of that form.
    """
    try:
        components = tuple(bytearray.fromhex(string))
        if len(components) == 3:
            components += (255,)
        c = Color(*components)
        return c
    except:
        error = "Color must be an hexadecimal number, for example 'AABBCC'"
        raise argparse.ArgumentTypeError(error)