Rainsong vs River Rouge

Both from Sherwin-Williams's palette. Hue-wise, Rainsong belongs to the blue family and River Rouge to the grey family. Rainsong (LRV 78) reflects noticeably more light than River Rouge (LRV 12), a difference of 66 points that becomes especially apparent in rooms with limited natural light. Rainsong 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 52.2, 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.