Games Workshop - Citadel Paint - Shade: Drakenhof Nightshade (18ml) Shade paints make adding realistic shadows and lowlights to your models easy. They are designed to run into the recesses of your miniatures, providing excellent results with minimal effort. All Citadel paints are non-toxic, water-based acrylic that are designed for use on plastic, metal, and resin Citadel miniatures.