Underwater vs Pewter Green
Underwater is a Behr color while Pewter Green comes from Sherwin-Williams. Hue-wise, Underwater belongs to the blue-grey family and Pewter Green to the green-grey family. With LRVs of 11 and 12, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Underwater's blue character against Pewter Green's neutral — becomes most visible against white trim or in morning light. At ΔE 8.7, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Underwater vs Pewter Green in Real Spaces
5 real rooms side by side. Underwater and Pewter Green 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
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Underwater reads more restrained here, while Pewter Green adds a sense of enclosure and warmth.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The temperature contrast between Pewter Green and Underwater is what sets these apart most in this context.
Dining Room
Dining room light is typically the warmest in the house, which shifts both colors toward the red end of the spectrum compared to daylight. Pewter Green brings more warmth to the space, while Underwater keeps things cooler and crisper.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. Underwater reads more restrained here, while Pewter Green adds a sense of enclosure and warmth.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The temperature contrast between Pewter Green and Underwater is what sets these apart most in this context.
Color Details
Underwater vs Pewter Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Underwater 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 Underwater comparisons
See how Underwater stacks up against other well-photographed colors across different brands and tones.

















































