Pewter Green vs Porpoise
Pewter Green and Porpoise come from the same Sherwin-Williams collection. Pewter Green reads as green-grey, while Porpoise reads as greige-grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 12 vs 13 — so neither will read significantly brighter or darker than the other. Where Pewter Green leans neutral, Porpoise reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 5.1 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Pewter Green vs Porpoise in Real Spaces
6 real rooms side by side. Pewter Green and Porpoise 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Porpoise brings more warmth to the space, while Pewter Green keeps things cooler and crisper.
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. Pewter Green reads more restrained here, while Porpoise adds a sense of enclosure and warmth.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Pewter Green reads more restrained here, while Porpoise adds a sense of enclosure and warmth.
Home Office
Home office walls matter more than most — you're looking at them all day, and a color that reads fine at first can become tiring over time. Pewter Green reads more restrained here, while Porpoise adds a sense of enclosure and warmth.
House
A full exterior is the most demanding test for a paint color — scale and outdoor light both amplify differences that seem small on a swatch. Pewter Green reads more restrained here, while Porpoise adds a sense of enclosure and warmth.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Porpoise brings more warmth to the space, while Pewter Green keeps things cooler and crisper.
Color Details
Pewter Green vs Porpoise Simulated Comparison
5 simulated room previews — drag the slider on each to see Pewter Green on one side and Porpoise 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.