Jasper Stone vs River Rouge
Both from Sherwin-Williams's palette. Hue-wise, Jasper Stone belongs to the green-grey family and River Rouge to the grey family. Jasper Stone (LRV 32) reflects noticeably more light than River Rouge (LRV 12), a difference of 20 points that becomes especially apparent in rooms with limited natural light. Jasper Stone runs cool while River Rouge is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 30.3, 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
Jasper Stone vs River Rouge Simulated Comparison
5 simulated room previews — drag the slider on each to see Jasper Stone 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.
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