Cornwall Slate vs Purple Passage
Both are Sherwin-Williams colors. Cornwall Slate reads as grey, while Purple Passage reads as blue-grey — two distinct hue families, not close cousins. At LRV 29 vs 12, Cornwall Slate will read as the brighter of the two — a 17-point gap that matters most in north-facing or low-light rooms. The tonal difference — Cornwall Slate's neutral character against Purple Passage's cool — becomes most visible against white trim or in morning light. At ΔE 29.6, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. 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 Purple Passage Simulated Comparison
5 simulated room previews — drag the slider on each to see Cornwall Slate on one side and Purple Passage 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.
