Proper Gray vs Smooth Stone

Proper Gray and Smooth Stone come from the same Sherwin-Williams collection. Hue-wise, Proper Gray belongs to the grey family and Smooth Stone to the greige-grey family. The 3-point LRV gap — 40 for Proper Gray vs 37 for Smooth Stone — means Proper Gray will open up a space more effectively. Where Proper Gray leans neutral, Smooth Stone reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 4.5 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.