Indigo dye

Indigo dye is an important dyestuff with a distinctive blue color (see indigo). The natural dye comes from several species of plant, but nearly all indigo produced today is synthetic. Among other uses, it is used in the production of denim cloth for blue jeans.

External link

• The Indigo Dye Pits at Kofar Mata
• Indigo Dye used for body art. As used in Ancient Britain