Where Does Blue Pigment Come From? Blue pigments were originally made from minerals such as lapis lazuli, cobalt and azurite, and blue dyes were made from plants; usually woad in Europe, and Indigofera tinctoria, or true indigo, in Asia and Africa. Does blue pigment exist in nature? Despite the rarity of blue pigments in nature,
How Did The Celts Make Woad? It was grown as a field crop and picked in its first year. The leaves were chopped up into a paste by a horse driven mill and then made into balls by hand. These were left to dry in special drying sheds for about four weeks until they became
What Happens As More Colors Of Pigments Are Added Together? Each pigment reflects one or more colors. As pigments are mixed together, more colors are absorbed and fewer colors are reflected. When two or more pigments are mixed together, the colors absorbed by each pigment are subtracted out of the light that strikes the mixture.