code: def hue(self, hue):
          
          if hue < 0 or hue > 1:
              raise ValueError("Hue must be a percentage "
                               "represented as decimal 0-1.0")
          self._hue = hue
          cmd = self.command_set.hue(hue)
          self.send(cmd)
docs: Set the group hue.
  
          :param hue: Hue in decimal percent (0.0-1.0).