Pewter Green vs River Rouge
Both from Sherwin-Williams's palette. Pewter Green reads as green-grey, while River Rouge reads as grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (12 vs 12), so they'll read as similarly Dark in most lighting conditions. Pewter Green runs neutral while River Rouge is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Pewter Green vs River Rouge Simulated Comparison
5 simulated room previews — drag the slider on each to see Pewter Green on one side and River Rouge 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.
