Lead Colour vs Cornwall Slate
Lead Colour (Little Greene) and Cornwall Slate (Sherwin-Williams) come from different manufacturers. Lead Colour reads as greige-grey, while Cornwall Slate reads as grey — two distinct hue families, not close cousins. Their light reflectance values are nearly the same — 28 vs 29 — so neither will read significantly brighter or darker than the other. Where Lead Colour leans yellow and red, Cornwall Slate reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 2.5 puts them in subtle territory — distinguishable in direct comparison, less so from across a 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
Lead Colour vs Cornwall Slate Simulated Comparison
5 simulated room previews — drag the slider on each to see Lead Colour on one side and Cornwall Slate 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 Lead Colour comparisons
See how Lead Colour stacks up against other well-photographed colors across different brands and tones.
