Copper Harbor vs Impromptu
Copper Harbor and Impromptu come from the same Sherwin-Williams collection. Copper Harbor reads as beige, while Impromptu reads as blue — two distinct hue families, not close cousins. The 7-point LRV gap — 30 for Copper Harbor vs 23 for Impromptu — means Copper Harbor will open up a space more effectively. Where Copper Harbor leans warm, Impromptu reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 82.8 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
Copper Harbor vs Impromptu Simulated Comparison
5 simulated room previews — drag the slider on each to see Copper Harbor on one side and Impromptu 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 Copper Harbor comparisons
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