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Foreground walls in Farrow & Ball's Oval Room Blue. Hallway walls in Brinjal and Cornforth White Modern Emulsion. Woodwork in Wimborne White.

Light coloured wall and floor. Timber and black accents. For a super high ceilings use a picture rail to add things like whiteboards, business certificates and decorative images. The rail anchors them so they don't get lost in the large wall space.