Parma Gray is in fact a cool blue with a distinct period feel. Paired with a bright white on woodwork, it can feel very traditional. With darker accents of navy Stiffkey Blue, however, it takes on a more contemporary look.Estate Eggshell is a washable, water based satin finish for interior wood and metal. Its soft low-shine finish brings an understated elegance to trim and furniture and is suitable for doors, kitchen cupboards, radiators, and other wood and metalwork throughout the home.