code: def set_light_state_raw(self, hue, saturation, brightness, kelvin,
                              bulb=ALL_BULBS, timeout=None):
          
          with _blocking(self.lock, self.light_state, self.light_state_event,
                         timeout):
              self.send(REQ_SET_LIGHT_STATE, bulb, 'xHHHHI',
                        hue, saturation, brightness, kelvin, 0)
              self.send(REQ_GET_LIGHT_STATE, ALL_BULBS, '')
          return self.light_state
docs: Sets the (low-level) light state of one or more bulbs.