Sure, you can paint squares on your wall in any color you choose. Lately, however, green seems to be the color of choice for designers — maybe because it's both soothing and surprisingly elegant.
- Designer Ashley Hicks's walls feature squares cleverly painted to look like leather. From Vogue Living Australia.
- Thrifty Decor Chick updated a bedroom in her house with carefully outlined ombre squares.
- Pastel shapes add unexpected dimension and softness to a living room in Sydney. By Scott Weston Architecture, via Houzz.
(Images: As linked above.)