sky-blue

sky-blue

1. Alternative form of sky blue
   • 1961 July, “Talking of Trains: The Marylebone exhibition”, in Trains Illustrated, page 388:

     Except for an eye-catching sky-blue container boldly and attractively featuring the B.T.C.'s "door-to-door" arrow symbol [...], there were no outlandish colour schemes or lettering styles.

• blue sky, blue-sky