Gray Mountain vs Agreeable Gray
Gray Mountain (Benjamin Moore) and Agreeable Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Gray Mountain belongs to the grey family and Agreeable Gray to the greige-grey family. The 42-point LRV gap — 60 for Agreeable Gray vs 19 for Gray Mountain — means Agreeable Gray will open up a space more effectively. Where Gray Mountain leans red, Agreeable Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 33.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gray Mountain vs Agreeable Gray in Real Spaces
1 real room side by side. Seeing Gray Mountain and Agreeable Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Agreeable Gray reflects noticeably more light off the walls, making the space read more open than Gray Mountain.
Color Details
Gray Mountain vs Agreeable Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Gray Mountain on one side and Agreeable 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.
At LRV 83 vs 19, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 19), opening up a space where Gray Mountain encloses it.
At LRV 19 vs 6, Gray Mountain is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 19), opening up a space where Gray Mountain encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 19), a gap that shows most in low-lit rooms.
At LRV 52 vs 19, Mizzle is decisively the brighter choice.
At LRV 58 vs 19, Accessible Beige is decisively the brighter choice.
A 9-point LRV gap (27 vs 19) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 19), opening up a space where Gray Mountain encloses it.
Gray Mountain reflects far more light (LRV 19 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 19, Tranquil Dawn is decisively the brighter choice.
A 5-point LRV gap (19 vs 13) makes Gray Mountain the marginally brighter of the two.
At LRV 44 vs 19, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 19), opening up a space where Gray Mountain encloses it.
With LRVs of 21 and 19, the two reflect almost the same amount of light.
At LRV 66 vs 19, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 19, Shoji White is decisively the brighter choice.
At LRV 83 vs 19, Snowbound is decisively the brighter choice.
A 7-point LRV gap (19 vs 12) makes Gray Mountain the marginally brighter of the two.
At LRV 68 vs 19, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 19), opening up a space where Gray Mountain encloses it.
Calamine reflects far more light (LRV 68 vs 19), opening up a space where Gray Mountain encloses it.
Treron reads slightly lighter (LRV 25 vs 19), a gap that shows most in low-lit rooms.
A 7-point LRV gap (19 vs 12) makes Gray Mountain the marginally brighter of the two.
At LRV 45 vs 19, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 19), opening up a space where Gray Mountain encloses it.
Gray Mountain reads slightly lighter (LRV 19 vs 7), a gap that shows most in low-lit rooms.
Cement grey reads slightly lighter (LRV 24 vs 19), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 19), opening up a space where Gray Mountain encloses it.
Just Walnut reflects far more light (LRV 72 vs 19), opening up a space where Gray Mountain encloses it.