Simple way to identify the color of the two colors with the color.
The rainbow is red, orange, yellow, green, blue, blue and purple, two colors in the middle of the chromaticity is the color of the blending, which is biased towards which part of the blending out of the color is biased towards that color.
If a little more professional words
The mixing of paint color follows a subtractive color principle, its three primary colors are yellow, cyan, purple, their complementary colors are blue, red, green. The so-called complementary color that is the two color light mixed in a certain proportion to get white color light, red complementary color is cyan, yellow complementary color is blue, green complementary color is purple.
Colors are divided into non-color and color, non-color is black, white and the shades of gray between these two, white and black series on the non-color reflectivity represents the brightness of the object. The higher the reflectivity, the closer it is to white, and the lower it is, the closer it is to black. The color series refers to a variety of colors other than the white-black series. The different wavelengths of the spectrum are visually represented as various color shades, such as red, orange, yellow, green, cyan, and violet. To say exactly what a particular color is, one must take into account the three basic attributes of color, i.e., hue, saturation, and brightness, which form a unified total effect in vision.
Chestnut color, then, generally red and black as the main color, you can add a little bit of yellow according to the needs of the appropriate, adjust the color of the time, if it is a different brand of paint, mixed together, pay attention to the chemical reaction.