In the world of eco-friendly dyeing, there are several traditional and modern-day sources of coloring used to bring just the right energy and aura to a fabric. And whether you are a do-it-youself kinda crafter or are content with purchasing your material already naturally dyed, here is a list of some of the more common plant, animal, vegetable and/or mineral agents for those vibrant yellows, burnt oranges, indigo blues and deep reds that call out to us from across the fabric isles.