docs: def scene_color(frames):
          """parse a scene.color message"""
          # "scene.color" <scene_id> <color>
          reader = MessageReader(frames)
          results = reader.string("command").uint32("scene_id").uint8_3("color").assert_end().get()
          if results.command != "scene.color":
              raise MessageParserError("Command is not 'scene.color'")
          return (results.scene_id, np.array([results.color[0]/255, results.color[1]/255, results.color[2]/255]))