There is an article here on Houzz that talks about warm gray vs. cool gray:

https://www.houzz.com/magazine/color-of-the-week-decorating-with-warm-gray-stsetivw-vs~44305132

I'd choose a warm gray since you have warm peachy tones in your counter top.

Take your lead from the gray zones in this stone (if they're gray and not brown). Warm gray is definitley the way to go.

what-color-should-i-paint-my-house Gray is overdone and depressing.