English edit

 
American robin eggs

Noun edit

robin's-egg blue (plural robin's-egg blues)

  1. A greenish blue colour, like that of an American robin's egg.
    robin's-egg blue:  

Adjective edit

robin's-egg blue

  1. Of a greenish blue colour, like that of an American robin's egg.
    • 1942 March 4, Carolyn Bell, “Colorful Throng Attends ‘Blackout’ Symphony Concert”, in The Washington Post, number 24,002, page 14:
      Associate Justice and Mrs. Owen J. Roberts arrived shortly before the performance started. Mrs. Roberts wore a robins’ egg blue chiffon frock.

See also edit