blueness

from WordNet (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}]

from The Collaborative International Dictionary of English v.0.48

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

[email protected]