The key is to use them sparingly, which keeps the mood calm. Tia suggests introducing prints on pillows or an occasional chair, like the one pulled up to Aimee’s desk. “A clean and simple backdrop lets you go all out with a few patterns here and there,” she says. Bold rugs, too, give a formal space, such as the entry, a more casual feeling. For a beachy tone choose softer shades of typically coastal colors—periwinkle blue, light purple, and sea green.