资料来源 : pyDict

蓝色,蓝,青

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Blueness \Blue"ness\, n.
   The quality of being blue; a blue color. --Boyle.

资料来源 : WordNet®

blueness
     n : the color of the clear sky in the daytime; "he had eyes of
         bright blue" [syn: {blue}]