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Homage to FarrowBall (Elephant's Breath Charlston Grey | Flickr - Photo Sharing!
Paint skirtings, dado, and cornice in the same colour as the wall. When using a dark colour like this room by Steven Gambrel, the effect is sharp and modern.
Storage and chair
william smalley architect / edwardian house refurbishment, london
Romilly Saumarez Smith, London. Emery and Cie paint color was used. One of my favorites -- Coeur D' Artichaut 45.
Jo Atkins Hughes totally nails mantle and table arrangements with objects that vary in height and shape but remain within the same colour palette.
Savine Indigo - Stunning Authentic Tie Dye Rug | Designers Guild UK