What color is Greige? Greige as a word is the combination of gray and beige. It’s a warm color of gray with beige undertones. Don’t get this confused with a beige with gray undertones, that color would be a taupe. When you add gray undertones to a color you get a more mellow color, something that is more muted. That is not the case with greige. You have a gray color with beige undertones and it creates a warm and cozy feeling.