'Blueness' definitions:

Definition of 'blueness'

From: WordNet
noun
Blue color or pigment; resembling the color of the clear sky in the daytime; "he had eyes of bright blue" [syn: blue, blueness]

Definition of 'Blueness'

From: GCIDE
  • Blueness \Blue"ness\, n. The quality of being blue; a blue color. --Boyle. [1913 Webster] Bluenose