What kinds of colors are used in classical oil paintings to reconcile the skin color of characters and how to reconcile the dark color of faces?

There are mainly earth red, earth yellow, earth green, ultramarine, madder red, Neapolitan yellow, raw ochre/cooked ochre, raw brown/cooked brown, ivory black and lead white.

Specifically, different painters have their own color habits. Dark skin can use soil red and soil green as basic colors. Classical painting generally does not consider the environmental color, so as long as there are subtle color changes.

In ancient times, due to the limitation of productivity, early painters were not exposed to precious metal pigments such as cadmium and cobalt, and there were no coal tar pigments (such as medium yellow, dark yellow, red and crimson).

Among the above pigments, natural ultramarine and natural cinnabar are the most expensive, but today they are all synthetic, so they are very cheap. McHarding in Britain sells China cinnabar and natural ultramarine powder, both of which are sky-high prices.

As for lead white (basic lead carbonate), it is only found in a few imported artists' pigments. It has the characteristics of strong hiding power, quick drying and stability. Titanium dioxide, which appeared in modern times, seems to be replaceable in some aspects, but its slow-drying characteristics are not suitable for whitening classical paintings.

Raw/cooked ochre, raw brown/cooked brown, khaki, khaki and khaki domestic colors are also completely unqualified. You will find that these domestic colors are dirty and dark, and there is almost no hue. It will definitely stain people when used for color matching.

"How do you reconcile the skin color of a child who is only a few months old?"

Agreed. Upstairs, Rhett. You can use transparent and cold madder red.

In addition, I want to say that China's oil paintings lack the link of ancient paintings, and there is a blank of qualified pigments and media (completely blank), so there is no authentic classical oil painting in China.