Chromium Oxide Green, 166 (Liquitex Heavy Body)Chromium Oxide Green, 166 (59ml Tube) An opaque willow green single pigment color. Discovered in 1809, it was only made available for artists in 1862, and is now commonly used for camouflage clothing. This is thick, high viscosity, pigment rich professional acrylic color, ideal for impasto and texture. With a high concentration of lightfast artist quality pigment and a satin finish, Heavy Body Acrylic gives you rich, permanent color, with crisp brush