red

yellow

blue

{is the most basic} (must be 1: 1)

There are other colors.

red

yellow

blue

Precisely

(chroma)

I really asked.

Red+yellow = orange yellow+blue = green red+blue = purple [red+yellow+blue = brown (1:1) is very important] yellow+orange = yellow orange blue+green = turquoise red+purple = red purple+green =