Gray Mountain vs Gauntlet Gray
Where Gray Mountain belongs to Benjamin Moore's range, Gauntlet Gray is a Sherwin-Williams color. These are both greys, so the question isn't which hue to choose — it's where within grey to land. They have nearly identical light reflectance values (19 vs 17), so they'll read as similarly Dark in most lighting conditions. Gray Mountain runs red while Gauntlet Gray is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. At ΔE 2.5, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gray Mountain vs Gauntlet Gray in Real Spaces
1 real room side by side. Gray Mountain and Gauntlet Gray are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Gray Mountain vs Gauntlet Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Mountain on one side and Gauntlet Gray on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Gray Mountain comparisons
See how Gray Mountain stacks up against other well-photographed colors across different brands and tones.
