Sherwin-Williams Emerald® paint and primer in one with advanced stain blocking technology delivers best-in-class overall performance. To ensure a beautiful, smooth finish and stunning color for years to come, use our finest paint ever. Emerald prevents stains from penetrating, offers maximum resistance to water streaking and spotting, features truly remarkable hide and covers dark colors. With exceptional coverage and washability, it’s perfect for any paint job. Now Available: Emerald Interior flat finish with excellent washability. Emerald is available in four sheens, including a technologically advanced flat finish that offers the same washability, durability and burnish resistance as the matte or glossier sheens. The flat finish hides minor drywall imperfections while providing a washable, rich look. With Emerald Interior Flat, there is no need to sacrifice performance for appearance. Matte and Satin finishes are now available in a high hiding accent base, formulated to boost hiding power and deliver truer colors in fewer coats.