AVAILABLE IN 100% ACRYLIC AND EPOXY RESIN TOPCOAT FORMULAS. Giani™ Slate creates the look of a charcoal gray granite with light highlights and subtle blue undertones. This contemporary shade can be paired with a variety of other colors to match your room’s character. Giani™ Countertop Paint Kits include everything you need to upgrade your kitchen or vanity, and paint your countertops to look like granite.