Natural
- Safflower: yellow or red (plant)
- Blackwood: red (plant)
- Madder: red (plant)
- Indigo: blue (plant)
- Turmeric: yellow (plant)
- Pastel: blue (plant)
- Beetle: red, pink, purple (insect)
- Tyrian purple: red (mollusk)
- Thickener: gum arabic
Synthetic
- Powdered base colors
- Etchants
- Reducing agent