red加什么颜色变成purple

Question

如题所述

Answer 1

red、yellow和 blue 是三原色，这三种颜色相互配比就会产生下面的颜色：
red + blue = purple
red + yellow =orange
yellow + blue = green
red + yellow + blue = black

Answer 2

red+blue=purple

Answer 3

blue

Answer 4

blue追答