River Rouge vs Rookwood Sash Green
Both from Sherwin-Williams's palette. River Rouge reads as grey, while Rookwood Sash Green reads as blue-green — two distinct hue families, not close cousins. They have nearly identical light reflectance values (12 vs 13), so they'll read as similarly Dark in most lighting conditions. River Rouge runs warm while Rookwood Sash Green is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.2, 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
River Rouge vs Rookwood Sash Green Simulated Comparison
5 simulated room previews — drag the slider on each to see River Rouge on one side and Rookwood Sash 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 River Rouge comparisons
See how River Rouge stacks up against other well-photographed colors across different brands and tones.
