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