Dark Pewter vs Oslo
Where Dark Pewter belongs to Benjamin Moore's range, Oslo is a Jotun 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 11), so they'll read as similarly Dark in most lighting conditions. Dark Pewter runs blue while Oslo is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 4.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Dark Pewter vs Oslo in Real Spaces
2 real rooms side by side. Dark Pewter and Oslo 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 Oslo and Dark Pewter 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. Oslo brings more warmth to the space, while Dark Pewter keeps things cooler and crisper.
Color Details
Dark Pewter vs Oslo Simulated Comparison
5 simulated room previews — drag the slider on each to see Dark Pewter on one side and Oslo 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 Dark Pewter comparisons
See how Dark Pewter stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 11, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 11), opening up a space where Dark Pewter encloses it.
Dark Pewter reads slightly lighter (LRV 11 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 11, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 11, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 11), opening up a space where Dark Pewter encloses it.
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 Dark Pewter encloses it.
Denim Drift reflects far more light (LRV 27 vs 11), opening up a space where Dark Pewter encloses it.
At LRV 43 vs 11, French Gray is decisively the brighter choice.
A 6-point LRV gap (11 vs 4) makes Dark Pewter the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 11), opening up a space where Dark Pewter encloses it.
With LRVs of 13 and 11, the two reflect almost the same amount of light.
Hardwick White reflects far more light (LRV 44 vs 11), opening up a space where Dark Pewter encloses it.
At LRV 84 vs 11, Pure White is decisively the brighter choice.
A 11-point LRV gap (21 vs 11) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 11), opening up a space where Dark Pewter encloses it.
Shoji White reflects far more light (LRV 74 vs 11), opening up a space where Dark Pewter encloses it.
Snowbound reflects far more light (LRV 83 vs 11), opening up a space where Dark Pewter encloses it.
At LRV 51 vs 11, Pigeon is decisively the brighter choice.
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 Dark Pewter encloses it.
At LRV 41 vs 11, Dix Blue is decisively the brighter choice.
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 Dark Pewter encloses it.
At LRV 31 vs 11, Pale Green is decisively the brighter choice.