def __init__(self, color=None, **kwargs):
self.equality_fn = RGB_eq<EOL>self.arithmetic = ArithmeticModel.LIGHT<EOL>if isinstance(color, Color):<EOL><INDENT>self._color = color._color<EOL><DEDENT>else:<EOL><INDENT>self._color = color if color else rgb_min<EOL><DEDENT>for k, v in kwargs.items():<EOL><INDENT>setattr(self, k, v)<EOL><DEDENT>
Initialization