def saturation(self, factor):

        h, l, s = self.tohls()
        s = clamp(s + factor - 1.0, 0.0, 1.0)
        self.fromhls(h, l, s)
Saturate or unsaturate the color by the given factor.
dataset/ETHPy150Open facelessuser/ColorHelper/lib/rgba.py/RGBA.saturation