blueness
1. [ noun ] (color) the color of the clear sky in the daytime
Synonyms: blue
Examples:

"he had eyes of bright blue"

Related terms: chromatic_color greenish_blue steel_blue Payne's_gray dark_blue purplish_blue Prussian_blue ultramarine azure powder_blue blue
Similar spelling:   blankness
  Blennius
  blueing
  bluewing
  blemish