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.Exterior Eggshell brings long-lasting colour to outdoor spaces with a finish that remains flexible once dry, protecting wood and metal surfaces through changing weather. Added preservatives help to prevent the growth of algae and fungi, and the resin-rich formula resists flaking, peeling, and fading for up to six years. Providing it has been applied in accordance with Farrow & Ball Product Advice Sheets. Not suitable for use on exterior plastic surfaces or decking.