Royal Talens Egypt - BLUE PLANT EXTRACT The pigment Indigo was already popular among artists early on in history. First among the Romans and later, particularly between the 14th and 19th centuries,
Large and small portion of ultramarine, cobalt or indigo blue pigment on white. The pigment was mixed with linseed oil to make oli paint Stock Photo - Alamy
Indigo – Ancient Earth Pigments
Pigment plant-based Indigo from India - Nila Colori
Indigo comparison. The top left is genuine indigo that I made from dry pigment, but the rest are from tubes… | Violet color scheme, Paint charts, Color mixing chart