Koi Creative Art Color (CAC) Watercolors are compact sets packed with unique colors and effects for one-of-a-kind projects. Koi CAC are pocket sized with essential accessories for painting on-the-go. Create your own unique washes and blends with the metallic, fluorescent and pearlescent paints. Explore a whole new spectrum of stunning effects by mixing these Creative Art Colors with your traditional watercolor set. The vibrant fluorescent hues are perfect for adding a pop of color that glows beautifully under a black light. The metallic and pearlescent shades are ideal for adding shimmer to your lettering, illustrations, comic characters and mixed media paintings. These special effects also work great on black paper.