Oslo vs Grays Harbor
Where Oslo belongs to Jotun's range, Grays Harbor is a Sherwin-Williams color. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (11 vs 12), so they'll read as similarly Dark in most lighting conditions. Oslo runs cool while Grays Harbor is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. At ΔE 2.3, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Oslo vs Grays Harbor in Real Spaces
2 real rooms side by side. Oslo and Grays Harbor 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 temperature contrast between Grays Harbor and Oslo is what sets these apart most in this context.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Grays Harbor brings more warmth to the space, while Oslo keeps things cooler and crisper.
Color Details
Oslo vs Grays Harbor Simulated Comparison
5 simulated room previews — drag the slider on each to see Oslo on one side and Grays Harbor 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 Oslo comparisons
See how Oslo stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 11), opening up a space where Oslo encloses it.
At LRV 52 vs 11, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 11, Evergreen Fog is decisively the brighter choice.
At LRV 60 vs 11, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 11), opening up a space where Oslo encloses it.
Denim Drift reflects far more light (LRV 27 vs 11), opening up a space where Oslo encloses it.
At LRV 43 vs 11, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 11), opening up a space where Oslo encloses it.
Hardwick White reflects far more light (LRV 44 vs 11), opening up a space where Oslo encloses it.
At LRV 84 vs 11, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 11), opening up a space where Oslo encloses it.
Shoji White reflects far more light (LRV 74 vs 11), opening up a space where Oslo encloses it.
With LRVs of 12 and 11, the two reflect almost the same amount of light.
With LRVs of 11 and 8, the two reflect almost the same amount of light.
Skimming Stone reflects far more light (LRV 68 vs 11), opening up a space where Oslo encloses it.
With LRVs of 12 and 11, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 11), opening up a space where Oslo encloses it.
At LRV 31 vs 11, Pale Green is decisively the brighter choice.