Cornwall Slate vs Westchester Gray
Both are Sherwin-Williams colors. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 29 vs 19, Cornwall Slate will read as the brighter of the two — a 10-point gap that matters most in north-facing or low-light rooms. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 11.9, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cornwall Slate vs Westchester Gray in Real Spaces
4 real rooms side by side. Seeing Cornwall Slate and Westchester Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that Cornwall Slate will make the room feel meaningfully brighter than Westchester Gray would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that Cornwall Slate will make the room feel meaningfully brighter than Westchester Gray would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that Cornwall Slate will make the room feel meaningfully brighter than Westchester Gray would.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The LRV gap is large enough that Cornwall Slate will make the room feel meaningfully brighter than Westchester Gray would.
Color Details
Cornwall Slate vs Westchester Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Westchester Gray 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.