It would be nice, and might work in a pinch, but coloring white clay is not as simple as it seems.
Storing polymer clay mixes the easy way - The Blue Bottle Tree
Polymer Clay Information and Tutorials - The Blue Bottle Tree
Polymer Clay Information and Tutorials - The Blue Bottle Tree
Baking Polymer Clay - The Blue Bottle Tree
Kato Polyclay – KatoPolyclay
Comparison of raw and baked Soufflé clay colours by The Blue Bottle Tree. www.thebluebottletree.com
Evolution of a Design - The Blue Bottle Tree
Evolution of a Design - The Blue Bottle Tree
8 Ways to Create a Metallic Look on Polymer Clay - The Blue Bottle Tree Polymer clay ornaments, Polymer clay jewelry tutorials, Polymer clay creations
Beginner Roadmap - The Blue Bottle Tree
Pardo Colored Translucent Clay - The Blue Bottle Tree Polymer clay jewelry diy, Clay, Polymer clay projects
Beginner Roadmap - The Blue Bottle Tree