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.
Color Details
Proper Gray vs Smooth Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Proper Gray on one side and Smooth Stone on the other.
Digital color is approximate. These simulations are generated from the manufacturer's hex values and overlaid on grayscale room photos — your screen's calibration, brightness, and viewing angle all affect how they render. Before committing to either color, test physical samples in your own space under the light you actually live with.
More Proper Gray comparisons
See how Proper Gray stacks up against other well-photographed colors across different brands and tones.
