I liked the idea its good way to use colours and clouds is a god way to use it. All the colours are symbols of happines and so as the sky and clouds. I liked the contrast too.
Stone Tones via
coral, mustard, mint, peach, teal and navy
Monochrome dark blue color palette reminds of mystery of the sky before a thunderstorm. Transition from deep dark blue color to pure white is contrast and at the same time softened with pastel shades.
photo by Mark Upfield color palette
25 color combinations inspired by beautiful landscapes
easter hues color palette from Design Seeds