Hmm or grey walls with colorful furniture? The walls have been painted an elegant shade of grey (Manor House by Farrow & Ball
This blue/green wall colour would look good with the existing colours in the living room. Maybe extend into the dinning room too to tie together.
Rugs and grey wall - Farrow and Ball A Row House Reinvented - November 2014 - Lonny
(Kitchen color scheme)Copper Interiors – Making It Work
Saddle Office Chair from west elm in a Brooklyn home work space. Love with the navy wall
TV idea Cream living room with alcove shelves