To color epoxy resin, you can use various colorants such as powdered pigments, liquid pigments, pastes, alcohol ink, mica powder, food coloring, acrylic paint, resin dye and even eyeshadow . Here are the steps to follow:

1. Make sure your epoxy resin is mixed according to the instructions.
2. Pour some of the resin into a small container.
3. Choose a colorant for your resin.
4. Stir in the colorant gradually until you achieve the desired shade. Use less than 6% of the colorant by weight for the best results.
5. Repeat the process for other colors if needed .