正せい色しょく

noun

primary colors

Refers to the set of fundamental colors that cannot be created by mixing others; in art, typically red, yellow, and blue; in light, red, green, and blue.

• 絵えの具ぐの正せい色しょくは赤あか、青あお、黄き色いろです。

  The primary colors of paint are red, blue, and yellow.