Answer: Magenta
Step-by-step explanation:
The color wheel revolves around 8 basic colors.
Red, Orange, Yellow, Green, Cyan, Blue, Purple, Magenta.
In the color wheel, colors that are opposite hues from each other are called complementary colors.
There is no proper pattern in which to easily spot a complementary color.
But commonly Red is complementary to Cyan
Orange is to Blue
Yellow is to Purple
and Green is to Magenta.
Hope that helped a lot. Let me know any further questions.
:)