What color is the opposite of gray

What color is the opposite of gray?

Black-White
Blue-orange
Green-Red
Purple-Yellow
Grey-??????

Other Answers:

"Neutral" is the opposite of gray.
because gray can go with any color.

How to draw a picture.
Start with a blank surface.
It doesn't have to be paper or canvas,
but I feel it should be white.
We call it white because we need a word,
but it's true name is nothing.
Black is the absence of light,
but white is the absence of memory.
The color of can't remember. - Stephen King

first, black and white aren't colors and because gray is a mix of those, there is no complementary (opposite) color

warm gray is the opposite of cool gray.

darker grey