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.
With LRVs of 23 and 21, the two reflect almost the same amount of light.
At LRV 74 vs 23, Shoji White is decisively the brighter choice.