Mount Etna vs Terra Brun

Both from Sherwin-Williams's palette. Hue-wise, Mount Etna belongs to the blue-grey family and Terra Brun to the pink-red family. They have nearly identical light reflectance values (6 vs 5), so they'll read as similarly Dark in most lighting conditions. Mount Etna runs cool while Terra Brun is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 24.3, 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.