The parameters of this color model are:
Hue: an angle around the “color wheel”; angles 0° and 360° are red; 60° is yellow; 120° is green; 180° is cyan; 240° is blue; and 300° is magenta.
Saturation: 1.0 for a fully saturated, pure color; reducing it toward zero moves toward white.
Value: 1.0 for a fully saturated, pure color; reducing it toward zero moves toward black.
Here is the class interface.
# - - - - - c l a s s H S V M o d e l
class HSVModel(ColorModel):
"""Represents the hue-saturation-value color model.
"""