TEXTURED WALLS

I think a great alternative to color is textured wall applications. They offer visual interest and texture to a room. Better yet they're easy to apply, versatile, and affordable. You can choose to cover a whole wall, make simple modern wall art or just cover bumps. Priced at $86. for 10 panels (covers 22.5 square feet) by INHABIT at 2modern.com

"Customize them by rotating every other tile or row, mix-and-match patterns
or paint them to coordinate with your decor."