Here are some results using cosmetic clay to color your soap naturally. From Nature with Love has an awesome clay sample pack (affliliate link).
Sea Clay – 1/2 tsp per pound of oils added at trace
Rose Clay – 1/2 tsp per pound of oils added at trace
Rhassoul Clay – 1/2 tsp per pound of oils added at trace
Red Kaolin Clay – 1/2 tsp per pound of oils added at trace
Red Illite Clay – 1/2 tsp per pound of oils added at trace
Pink Kaolin Clay – 1/2 tsp per pound of oils added at trace
Multani Mitti Clay – 1/2 tsp per pound of oils added at trace
Green Illite Clay – 1/2 tsp per pound of oils added at trace

French Green Clay – 1/2 tsp per pound of oils added at trace

Yellow Illite Clay – 1/2 tsp per pound of oils added at trace











