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.