Cornwall Slate vs Dusty Heather
Cornwall Slate and Dusty Heather come from the same Sherwin-Williams collection. Cornwall Slate reads as grey, while Dusty Heather reads as blue-grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 29 vs 28 — so neither will read significantly brighter or darker than the other. Where Cornwall Slate leans neutral, Dusty Heather reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 17.7 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Cornwall Slate vs Dusty Heather Simulated Comparison
5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Dusty Heather 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 Cornwall Slate comparisons
See how Cornwall Slate stacks up against other well-photographed colors across different brands and tones.








































