What's the difference between photographic color and painting color?

The color of photography is the color of light, and the color of light is red, green and blue. The three primary colors of light.

The color of painting is the color of pigment, red, yellow and blue, which are the three primary colors of color.

All objects in nature are colorless, and only through light irradiation can colors be reflected in people's field of vision.

Pigments in paintings are generally materials such as stones. Through chemical technology, they become the pigments we use. These raw materials all have their own colors.

Photography is the technology of light and shadow, similar to light and shadow in sketch.