Studio Green is the darkest green in the Farrow & Ball palette, taken from the studio in which the company\'s original palette of colours was mixed. When used outdoors, it takes on a much greener hue, while indoors it can appear almost black.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.