Depends on the light, but Nantucket Gray from BenM is a favorite, go-to color.

I just painted my Living room in Martha Stewart's Mourning Dove, a gray that has an undertone of green. We all love it. I mixed it up in Ben Moore regal matte, but the color is available at Home Depot.

This shot is pretty true on my monitor.
{{!gwi}}

Red

Sycamore Green -I believe it is Pratt & Lambert

Here is a photo of BM Sandy Hook Gray (HC-108).

No yellow in it. It looks closer to a sage green than a gray.