This is a rich black, the darkest we could create. The perfect companion for Yupo paper or resin tinting. Our highly saturated black alcohol ink utilizes a higher concentration formula to endure great depth and vibrancy. PIXISS Onyx Alcohol Ink is great for various resin art, petri dish art, resin swirl, resin ripple, epoxy resin coloring, resin tumbler crafting, or other art crafts. * Pixiss Alcohol Ink - Black Alcohol Ink by Pixiss, professional and versatile ink that produces color-saturated and acid-free results, 4 fluid ounces. Beautiful color that is acid-free and transparent.