Blue primary point (e.g. blue_primary.x=0.15, blue_primary.y=0.06)
Green primary point (e.g. green_primary.x=0.3, green_primary.y=0.6)
Red primary point (e.g. red_primary.x=0.64, red_primary.y=0.33)
White point (e.g. white_point.x=0.3127, white_point.y=0.329)
A Chromaticity object represents chromaticity values.