sky-blue

US /ˈskaɪ.bluː/
UK /ˈskaɪ.bluː/
"sky-blue" picture
1.

azul cielo, celeste

of a pale blue color like that of the clear sky

:
The artist used a beautiful sky-blue paint for the background.
El artista usó una hermosa pintura azul cielo para el fondo.
She wore a dress of delicate sky-blue silk.
Llevaba un vestido de seda azul cielo delicada.