Modern Eggshell is Farrow & Ball’s toughest interior finish, adding colour and protection to wood, metal, and concrete surfaces. This ultra-durable eggshell is tough enough for floors, and it can also be used throughout the home on skirting, doors, kitchen cabinets, furniture, and radiators. A dark and smoky green A smoky green blue, this colour was popular in interiors during the late 19th century. It has an irresistibly inviting deepness and weathered familiarity when used in exterior situations, while evoking calm and serenity when used inside.