Sustainable Kitchens - Colour by Numbers Kitchen. A large array of Farrow & Ball's brightest colours brighten up this room. With flat panelled plywood cabinets with routed pulls and single width island that have been created to cater for this extremely bespoke design. Oak flooring sits in contrast to the stainless steel worktops and splashback. Colours used include: Babouche, Arsenic. Charlotte's Lock, Nancy's Blushes, Stone Blue, St. Giles Blue.