What color should i paint my walls?

i am moving into a house where the floors of my room are a beige colored hardwood. i cant figure out a color\colors to paint my walls. im decorating my room in a sort of vintage-ish, beach-y style. i also love having 3 walls being the same color and then having a different color wall as an accent color.most of my furniture is gl and wrought iron. i was thinking 3 walls pale blue and one wall a light orange color. opinions and other ideas please? thank you!