Finetec Pixie Dust Iridescent Watercolor Set of 6These iridescent colors are handcrafted in Germany and dissolve with water and a brush, just like traditional watercolors. Lightfast and pigment rich, these ccolors are exceedingly brilliant on dark surfaces. They work well with brushes and dip pens; simply brush the color onto a nib to use it as calligraphy ink. Colors included: 5624 Gold 5633 Golden Copper 5642 Light Purple 5651 Amethyst 5661 Sapphire Blue 5671 Jade Green Product# F5600