Photo: Plamen Petkov
Jewel-toned purple and sunny yellow work well together because they're unexpected. The wall hanging is sweet and simple (for even more impact, hang three together). Cheerful blooms like daisies will pop in the vase, and a graphic yellow pillow will make the sofa pop, too.
Reiner Vases, $23 to $30, zgallerie.com
Textile Wall Print, $30 each, threesheets2.com
Ikat Pillow, $29, fabricadabra.us