Here's the blue ceiling and sand wall color.
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I like the contrasting pastel colors. The paint colors are coordinated with the furniture and accessories.
I could see a calm watery blue ceiling with sand colored walls. very spa-like and calming. Good colors for a bedroom too.
Note how the light reflects off the ceiling and makes all the walls the hue of the ceiling.
Crisp white at crown molding line makes ceiling pop.
Painted ceiling - nice colors
Here's the blue ceiling and sand wall color.
Q