The 6-Color Iridescent Pixie Dust Set includes gold, gold copper, light purple, amethyst, sapphire blue and jade green. hire Blue, and Jade Green. These pearlescent colors are handcrafted in Germany and dissolve with water and a brush, just like traditional watercolors. Lightfast and pigment-rich, the paint can adhere to a variety of surfaces including paper, wood, cardboard, clay and stone. They work well with brushes and dip pens; simply brush the color onto a nib to use it as calligraphy ink.