What is the name of the dye used in ancient painting? What is it made of?

It is a pigment, and pigment is a substance that can color objects.

Pigment is a material entity made of mineral, plant, animal and chemically synthesized toner mixed with blending agent linseed oil or walnut oil. Its characteristic is that it can be dyed on other materials or attached to a certain material to form a certain pigment layer. This pigment layer has certain plasticity and can form various shapes and textures that artists want to achieve according to the use of tools.

The hue of oil painting pigment is determined by the hue of toner, and oil can make the hue of toner slightly darker and more saturated.

Extended data:

Basic classification of pigments:

Pigments can be divided into inorganic pigments and organic pigments according to chemical composition, and natural pigments and synthetic pigments according to sources. Natural pigments come from minerals, such as cinnabar, laterite, realgar, malachite green, heavy calcium carbonate, wollastonite, barite powder, talcum powder, mica powder, kaolin and so on.

Biological sources, such as animals: cochineal insects, natural fish scale powder, etc. ; From plants: Garcinia Garcinia, Alizarin Red, Indigo, etc. Synthetic pigments are artificially synthesized, such as inorganic pigments such as titanium dioxide, lithopone, lead chrome yellow and iron blue, and organic pigments such as scarlet powder, light yellow, phthalocyanine blue and quinacridone.

Pigments are classified according to their functions, including antirust pigments, magnetic pigments, luminescent pigments, pearlescent pigments and conductive pigments.

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