French Violet vs S 5010-R90B
French Violet (Benjamin Moore) and S 5010-R90B (NCS) come from different manufacturers. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Their light reflectance values are nearly the same — 18 vs 19 — so neither will read significantly brighter or darker than the other. Where French Violet leans blue, S 5010-R90B reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 10.5 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
French Violet vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see French Violet on one side and S 5010-R90B 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 French Violet comparisons
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