Pewter Green vs Portsmouth
Pewter Green and Portsmouth come from the same Sherwin-Williams collection. Pewter Green reads as green-grey, while Portsmouth reads as blue-grey — two distinct hue families, not close cousins. The 10-point LRV gap — 22 for Portsmouth vs 12 for Pewter Green — means Portsmouth will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 14.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Pewter Green vs Portsmouth in Real Spaces
1 real room side by side. Seeing Pewter Green and Portsmouth in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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. Portsmouth returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Pewter Green vs Portsmouth Simulated Comparison
5 simulated room previews — drag the slider on each to see Pewter Green on one side and Portsmouth 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 Pewter Green comparisons
See how Pewter Green stacks up against other well-photographed colors across different brands and tones.



White Dove reflects far more light (LRV 83 vs 12), opening up a space where Pewter Green encloses it.



At LRV 69 vs 12, Ammonite is decisively the brighter choice.



Pewter Green reads slightly lighter (LRV 12 vs 6), a gap that shows most in low-lit rooms.



At LRV 52 vs 12, Purbeck Stone is decisively the brighter choice.



At LRV 30 vs 12, Evergreen Fog is decisively the brighter choice.



Mizzle reflects far more light (LRV 52 vs 12), opening up a space where Pewter Green encloses it.



At LRV 60 vs 12, Agreeable Gray is decisively the brighter choice.



Accessible Beige reflects far more light (LRV 58 vs 12), opening up a space where Pewter Green encloses it.



Denim Drift reflects far more light (LRV 27 vs 12), opening up a space where Pewter Green encloses it.



At LRV 43 vs 12, French Gray is decisively the brighter choice.



A 7-point LRV gap (12 vs 4) makes Pewter Green the marginally brighter of the two.



Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Pewter Green encloses it.



With LRVs of 13 and 12, the two reflect almost the same amount of light.



Hardwick White reflects far more light (LRV 44 vs 12), opening up a space where Pewter Green encloses it.



At LRV 84 vs 12, Pure White is decisively the brighter choice.



A 10-point LRV gap (21 vs 12) makes Artichoke the marginally brighter of the two.



Balboa Mist reflects far more light (LRV 66 vs 12), opening up a space where Pewter Green encloses it.



Shoji White reflects far more light (LRV 74 vs 12), opening up a space where Pewter Green encloses it.



Snowbound reflects far more light (LRV 83 vs 12), opening up a space where Pewter Green encloses it.



Skimming Stone reflects far more light (LRV 68 vs 12), opening up a space where Pewter Green encloses it.



At LRV 41 vs 12, Dix Blue is decisively the brighter choice.



At LRV 68 vs 12, Calamine is decisively the brighter choice.



At LRV 25 vs 12, Treron is decisively the brighter choice.



With LRVs of 12 and 12, the two reflect almost the same amount of light.



Saybrook Sage reflects far more light (LRV 45 vs 12), opening up a space where Pewter Green encloses it.



At LRV 31 vs 12, Pale Green is decisively the brighter choice.



A 5-point LRV gap (12 vs 7) makes Pewter Green the marginally brighter of the two.



At LRV 24 vs 12, Cement grey is decisively the brighter choice.



At LRV 57 vs 12, Guilford Green is decisively the brighter choice.



At LRV 72 vs 12, Just Walnut is decisively the brighter choice.











