def vertex_color_hsv(h: float=0.5, s: float=1.0, v: float=1.0):
    """Adjust vertex color HSV values 

    :param h: Hue 
    :type h: float
    :param s: Saturation 
    :type s: float
    :param v: Value 
    :type v: float
    """
    pass
