Mountain Road vs Rare Gray
Both from Sherwin-Williams's palette. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Rare Gray (LRV 38) reflects noticeably more light than Mountain Road (LRV 23), a difference of 15 points that becomes especially apparent in rooms with limited natural light. Both lean neutral, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 12.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Mountain Road vs Rare Gray in Real Spaces
2 real rooms side by side. Seeing Mountain Road and Rare Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Rare Gray reflects noticeably more light off the walls, making the space read more open than Mountain Road.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Rare Gray reflects noticeably more light off the walls, making the space read more open than Mountain Road.
Color Details
Mountain Road vs Rare Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Mountain Road on one side and Rare 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 Mountain Road comparisons
See how Mountain Road stacks up against other well-photographed colors across different brands and tones.
Ammonite reflects far more light (LRV 69 vs 23), opening up a space where Mountain Road encloses it.
At LRV 83 vs 23, White Dove is decisively the brighter choice.
At LRV 23 vs 6, Mountain Road is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 23), opening up a space where Mountain Road encloses it.
Evergreen Fog reads slightly lighter (LRV 30 vs 23), a gap that shows most in low-lit rooms.
At LRV 52 vs 23, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 23), opening up a space where Mountain Road encloses it.
At LRV 58 vs 23, Accessible Beige is decisively the brighter choice.
A 4-point LRV gap (27 vs 23) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 23), opening up a space where Mountain Road encloses it.
Mountain Road reflects far more light (LRV 23 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 23, Tranquil Dawn is decisively the brighter choice.
A 10-point LRV gap (23 vs 13) makes Mountain Road the marginally brighter of the two.
At LRV 44 vs 23, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 23), opening up a space where Mountain Road encloses it.
With LRVs of 23 and 21, the two reflect almost the same amount of light.
At LRV 66 vs 23, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 23, Shoji White is decisively the brighter choice.
At LRV 83 vs 23, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 23), opening up a space where Mountain Road encloses it.
A 11-point LRV gap (23 vs 12) makes Mountain Road the marginally brighter of the two.
At LRV 23 vs 8, Mountain Road is decisively the brighter choice.
At LRV 68 vs 23, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 23), opening up a space where Mountain Road encloses it.
A 11-point LRV gap (23 vs 12) makes Mountain Road the marginally brighter of the two.
At LRV 45 vs 23, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 23), a gap that shows most in low-lit rooms.