'Define current bulb color in RGB.'

@property
def rgb_color(self):

    if (not self.wink.supports_hue_saturation()):
        return None
    else:
        hue = self.wink.color_hue()
        saturation = self.wink.color_saturation()
        value = int((self.wink.brightness() * 255))
        if ((hue is None) or (saturation is None) or (value is None)):
            return None
        rgb = colorsys.hsv_to_rgb(hue, saturation, value)
        r_value = int(round(rgb[0]))
        g_value = int(round(rgb[1]))
        b_value = int(round(rgb[2]))
        return (r_value, g_value, b_value)
