@property<EOL><INDENT>def xy(self):<DEDENT>
return self._xy<EOL>
The x and y coordinates of a color in CIE color space.

        The first entry is the x coordinate and the second entry is the y coordinate. Both x and y are between 0 and 1.

        For more information see:
        http://www.developers.meethue.com/documentation/core-concepts#color_gets_more_complicated