Oftentimes, natural colorants will not translate well into a soap blend due to the high alkalinity of lye. Lye will strip many beautiful, vibrant, plant-based colors. For example, beets, watermelon, and tomatoes will all turn a murky pale brown to yellow. The following charts feature a few great clays and plant, herb, or natural mineral colorants next to a blob of soap with each one mixed in so you can see what they look like in action.
