build.py 文件源码

def hwb(self):
        """Hue, Whiteness, Blackness."""
        hsv = colorsys.rgb_to_hsv(self.r, self.g, self.b)
        h = hsv[0]
        w = (1.0 - hsv[1]) * hsv[2]
        b = 1.0 - hsv[2]
        return [h, w, b]