Interface Tan vs Pewter Green
Interface Tan and Pewter Green come from the same Sherwin-Williams collection. Hue-wise, Interface Tan belongs to the beige-greige family and Pewter Green to the green-grey family. The 28-point LRV gap — 40 for Interface Tan vs 12 for Pewter Green — means Interface Tan will open up a space more effectively. Where Interface Tan leans warm, Pewter Green reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 31.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Interface Tan vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Interface Tan on one side and Pewter Green 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 Interface Tan comparisons
See how Interface Tan stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 40), opening up a space where Interface Tan encloses it.
At LRV 69 vs 40, Ammonite is decisively the brighter choice.
Interface Tan reflects far more light (LRV 40 vs 6), opening up a space where Iron Ore encloses it.
At LRV 52 vs 40, Purbeck Stone is decisively the brighter choice.
A 9-point LRV gap (40 vs 30) makes Interface Tan the marginally brighter of the two.
Mizzle reads slightly lighter (LRV 52 vs 40), a gap that shows most in low-lit rooms.
At LRV 60 vs 40, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 40), opening up a space where Interface Tan encloses it.
Interface Tan reflects far more light (LRV 40 vs 27), opening up a space where Denim Drift encloses it.
A 4-point LRV gap (43 vs 40) makes French Gray the marginally brighter of the two.
At LRV 40 vs 4, Interface Tan is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 40), opening up a space where Interface Tan encloses it.
Interface Tan reflects far more light (LRV 40 vs 13), opening up a space where Bancha encloses it.
Hardwick White reads slightly lighter (LRV 44 vs 40), a gap that shows most in low-lit rooms.
At LRV 84 vs 40, Pure White is decisively the brighter choice.
At LRV 40 vs 21, Interface Tan is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 40), opening up a space where Interface Tan encloses it.
Shoji White reflects far more light (LRV 74 vs 40), opening up a space where Interface Tan encloses it.
Snowbound reflects far more light (LRV 83 vs 40), opening up a space where Interface Tan encloses it.
Skimming Stone reflects far more light (LRV 68 vs 40), opening up a space where Interface Tan encloses it.
Their light reflectance is nearly identical (LRV 41 vs 40), so neither reads brighter in a room.
At LRV 68 vs 40, Calamine is decisively the brighter choice.
At LRV 40 vs 25, Interface Tan is decisively the brighter choice.
Interface Tan reflects far more light (LRV 40 vs 12), opening up a space where Vintage Vogue encloses it.
Saybrook Sage reads slightly lighter (LRV 45 vs 40), a gap that shows most in low-lit rooms.
A 8-point LRV gap (40 vs 31) makes Interface Tan the marginally brighter of the two.
At LRV 40 vs 7, Interface Tan is decisively the brighter choice.
At LRV 40 vs 24, Interface Tan is decisively the brighter choice.
At LRV 57 vs 40, Guilford Green is decisively the brighter choice.
At LRV 72 vs 40, Just Walnut is decisively the brighter choice.