Curated category
Organic pigments
- Indigo dyeThe oldest known fabric dyed indigo dates to 6,000 years ago. Archaeologists discovered this artifact in Huaca Prieta, Peru.
- Tyrian purpleThe spiny dye-murex snail, known scientifically as Bolinus brandaris, secretes the precursor to Tyrian purple from its hypobranchial gland.