n be used as a stand-alone resource or as a supplement to The Art and Science of Natural Dyes by Joy Boutrup and Catharine Ellis. Packaged in a high-quality quick-reference box, 84 cards include 36 formulas plus 133 full-color swatch images for exact color comparison. The cards are conveniently organized for ease in the studio. The set includes: The Dyes, Indigo, and Indigo Overdyes, and a complete set of essential formulas for the natural dyer, right at their fingertips. The dyes include two-color mixes and overdyes using madder, cochineal, weld, cutch, pomegranate, rhubarb, and indigo.