Cos Cob Stonewall vs Evergreen Fog
Where Cos Cob Stonewall belongs to Benjamin Moore's range, Evergreen Fog is a Sherwin-Williams color. Cos Cob Stonewall reads as grey, while Evergreen Fog reads as green-grey — two distinct hue families, not close cousins. Evergreen Fog (LRV 30) reflects noticeably more light than Cos Cob Stonewall (LRV 26), a difference of 4 points that becomes especially apparent in rooms with limited natural light. Cos Cob Stonewall runs green while Evergreen Fog is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 4.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cos Cob Stonewall vs Evergreen Fog in Real Spaces
3 real rooms side by side. Cos Cob Stonewall and Evergreen Fog 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.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Evergreen Fog gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Evergreen Fog reads slightly lighter here — a subtle but real difference in how open the space feels.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Evergreen Fog reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Cos Cob Stonewall vs Evergreen Fog Simulated Comparison
5 simulated room previews — drag the slider on each to see Cos Cob Stonewall on one side and Evergreen Fog 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 Cos Cob Stonewall comparisons
See how Cos Cob Stonewall stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 26, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 26), opening up a space where Cos Cob Stonewall encloses it.
At LRV 26 vs 6, Cos Cob Stonewall is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 26), opening up a space where Cos Cob Stonewall encloses it.
At LRV 52 vs 26, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 26), opening up a space where Cos Cob Stonewall encloses it.
At LRV 58 vs 26, Accessible Beige is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 27 vs 26), so neither reads brighter in a room.
French Gray reflects far more light (LRV 43 vs 26), opening up a space where Cos Cob Stonewall encloses it.
Cos Cob Stonewall reflects far more light (LRV 26 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 26, Tranquil Dawn is decisively the brighter choice.
At LRV 26 vs 13, Cos Cob Stonewall is decisively the brighter choice.
At LRV 44 vs 26, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 26), opening up a space where Cos Cob Stonewall encloses it.
Cos Cob Stonewall reads slightly lighter (LRV 26 vs 21), a gap that shows most in low-lit rooms.
At LRV 66 vs 26, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 26, Shoji White is decisively the brighter choice.
At LRV 83 vs 26, Snowbound is decisively the brighter choice.
At LRV 26 vs 12, Cos Cob Stonewall is decisively the brighter choice.
At LRV 68 vs 26, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 26), opening up a space where Cos Cob Stonewall encloses it.
Calamine reflects far more light (LRV 68 vs 26), opening up a space where Cos Cob Stonewall encloses it.
With LRVs of 26 and 25, the two reflect almost the same amount of light.
At LRV 26 vs 12, Cos Cob Stonewall is decisively the brighter choice.
At LRV 45 vs 26, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 26), a gap that shows most in low-lit rooms.
Cos Cob Stonewall reflects far more light (LRV 26 vs 7), opening up a space where Pine Needle encloses it.
With LRVs of 26 and 24, the two reflect almost the same amount of light.
Guilford Green reflects far more light (LRV 57 vs 26), opening up a space where Cos Cob Stonewall encloses it.
Just Walnut reflects far more light (LRV 72 vs 26), opening up a space where Cos Cob Stonewall encloses it.