Citrus peel is a natural way to create yellow dye for your textile and craft projects by using your kitchen waste. Using citrus to add zest to your cooking or for a quick snack? If so, start collecting the skins to throw in your dye pot instead of your trash bin! Any citrus will work: grapefruit, orange, mandarin, lemon, etc. This tutorial will show you how to brew dye from the peels, as well as the resulting color swatch samples (cotton & silk) with various mordants.