What are the four colors of Chinese camouflage uniforms?

The four colors of the Chinese camouflage uniform are green, yellow, brown and black.
Camouflage uniforms are made of green, yellow, brown, black and other colors to form uneven protective color patterns, which is a new type of protective coloring. The reflected light wave of the camouflage shape is approximately the same as the light wave reflected from the surrounding scenery, which can not only confuse the enemy's naked-eye reconnaissance, but also deal with infrared reconnaissance, making it difficult for the enemy's modern reconnaissance equipment to operate. capture the target.