These are primary and secondary colors.

主色和复色。

Remember learning about primary and secondary colors in school?

还记得在学校里学的原色和间色吗？

These combinations tend to be pretty striking—especially with primary or secondary colors—so be mindful when using them in your work.

这些组合往往是相当引人注目的，特别是用于主色和副色的时候，所以在你的工作中使用它们要小心。