Cornwall Slate vs Honed Soapstone
Both from Sherwin-Williams's palette. Hue-wise, Cornwall Slate belongs to the grey family and Honed Soapstone to the greige-grey family. They have nearly identical light reflectance values (29 vs 31), so they'll read as similarly Medium in most lighting conditions. Cornwall Slate runs neutral while Honed Soapstone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 3.9 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cornwall Slate vs Honed Soapstone in Real Spaces
2 real rooms side by side. Cornwall Slate and Honed Soapstone are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Honed Soapstone brings more warmth to the space, while Cornwall Slate keeps things cooler and crisper.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Honed Soapstone brings more warmth to the space, while Cornwall Slate keeps things cooler and crisper.
Color Details
Cornwall Slate vs Honed Soapstone Simulated Comparison
5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Honed Soapstone 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.