Grey Heron vs Mercurial

Grey Heron and Mercurial come from the same Sherwin-Williams collection. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. The 4-point LRV gap — 65 for Grey Heron vs 61 for Mercurial — means Grey Heron will open up a space more effectively. Both share a warm character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 2.3 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.