To me, gray is the ultimate neutral. A gray wall or couch can transform with a single pop of color, while at the same time can appear so sleek and elegant with metallic and blush tone accents.
Canadian House and Home
Apartment Therapy
House Beautiful
Source Unknown
Elle Decor
Lonny Magazine
Source Unknown
Elle Decor
Source Unknown
Image courtesy of P.S. I Made This
Lonny Magazine