The Collaborative International Dictionary of English v.0.48:
Blueness \Blue"ness\, n. The quality of being blue; a blue color. --Boyle. [1913 Webster] BluenoseWordNet (r) 3.0 (2006):
blueness n 1: blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue" [syn: blue, blueness]