This colour scheme would look lovely in a room which gets lots of sunlight. Painting the walls in the palest colour with trims painted in 2 or 3 (numbered going down from 1 at the top) and things like cushion covers and curtains with 5 or 6.
Some trimmings could be like these:
Adding a Quilt like this to the couch would add a pop of Aqua to tone the whole thing down a little
