def is_colour(value):
        """Check for valid colour value.

        Parameters
        ----------
        value : any type
            the value to be checked

        Returns
        -------
        valid : bool
            whether the value is valid or not

        """

        return Colour.is_rgb(value) or\
            Colour.is_name(value) or \
            Colour.is_hex(value) or \
            Colour.is_hsv(value) or\
            Colour.is_hsl(value)