Mt. Rainier Gray vs Tranquil Dawn
Mt. Rainier Gray (Benjamin Moore) and Tranquil Dawn (Dulux) come from different manufacturers. Hue-wise, Mt. Rainier Gray belongs to the blue-grey family and Tranquil Dawn to the green-grey family. The 4-point LRV gap — 59 for Mt. Rainier Gray vs 55 for Tranquil Dawn — means Mt. Rainier Gray will open up a space more effectively. Where Mt. Rainier Gray leans blue, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 9.5 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Mt. Rainier Gray vs Tranquil Dawn in Real Spaces
1 real room side by side. Mt. Rainier Gray and Tranquil Dawn 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.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Mt. Rainier Gray has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Mt. Rainier Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Mt. Rainier Gray on one side and Tranquil Dawn 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 Mt. Rainier Gray comparisons
See how Mt. Rainier Gray stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 59), opening up a space where Mt. Rainier Gray encloses it.
A 9-point LRV gap (69 vs 59) makes Ammonite the marginally brighter of the two.
Mt. Rainier Gray reflects far more light (LRV 59 vs 6), opening up a space where Iron Ore encloses it.
A 8-point LRV gap (59 vs 52) makes Mt. Rainier Gray the marginally brighter of the two.
At LRV 59 vs 30, Mt. Rainier Gray is decisively the brighter choice.
Mt. Rainier Gray reads slightly lighter (LRV 59 vs 52), a gap that shows most in low-lit rooms.
Their light reflectance is nearly identical (LRV 60 vs 59), so neither reads brighter in a room.
With LRVs of 59 and 58, the two reflect almost the same amount of light.
Mt. Rainier Gray reflects far more light (LRV 59 vs 27), opening up a space where Denim Drift encloses it.
At LRV 59 vs 43, Mt. Rainier Gray is decisively the brighter choice.
At LRV 59 vs 4, Mt. Rainier Gray is decisively the brighter choice.
Mt. Rainier Gray reflects far more light (LRV 59 vs 13), opening up a space where Bancha encloses it.
Mt. Rainier Gray reflects far more light (LRV 59 vs 44), opening up a space where Hardwick White encloses it.
At LRV 84 vs 59, Pure White is decisively the brighter choice.
At LRV 59 vs 21, Mt. Rainier Gray is decisively the brighter choice.
Balboa Mist reads slightly lighter (LRV 66 vs 59), a gap that shows most in low-lit rooms.
Shoji White reflects far more light (LRV 74 vs 59), opening up a space where Mt. Rainier Gray encloses it.
Snowbound reflects far more light (LRV 83 vs 59), opening up a space where Mt. Rainier Gray encloses it.
Mt. Rainier Gray reflects far more light (LRV 59 vs 12), opening up a space where Pewter Green encloses it.
Skimming Stone reads slightly lighter (LRV 68 vs 59), a gap that shows most in low-lit rooms.
At LRV 59 vs 41, Mt. Rainier Gray is decisively the brighter choice.
A 8-point LRV gap (68 vs 59) makes Calamine the marginally brighter of the two.
At LRV 59 vs 25, Mt. Rainier Gray is decisively the brighter choice.
Mt. Rainier Gray reflects far more light (LRV 59 vs 12), opening up a space where Vintage Vogue encloses it.
Mt. Rainier Gray reflects far more light (LRV 59 vs 45), opening up a space where Saybrook Sage encloses it.
At LRV 59 vs 31, Mt. Rainier Gray is decisively the brighter choice.
At LRV 59 vs 7, Mt. Rainier Gray is decisively the brighter choice.
At LRV 59 vs 24, Mt. Rainier Gray is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 59 vs 57), so neither reads brighter in a room.
At LRV 72 vs 59, Just Walnut is decisively the brighter choice.