Seaport Blue vs S 5010-R90B
Seaport Blue is a Benjamin Moore color while S 5010-R90B comes from NCS. Hue-wise, Seaport Blue belongs to the blue family and S 5010-R90B to the blue-grey family. At LRV 19 vs 16, S 5010-R90B will read as the brighter of the two — a 3-point gap that matters most in north-facing or low-light rooms. The tonal difference — Seaport Blue's blue character against S 5010-R90B's cool — becomes most visible against white trim or in morning light. At ΔE 29.5, 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
Seaport Blue vs S 5010-R90B Simulated Comparison
5 simulated room previews — drag the slider on each to see Seaport Blue 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.
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