Poseidon vs S 5040-B80G
Where Poseidon belongs to Benjamin Moore's range, S 5040-B80G is a NCS color. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. Poseidon (LRV 31) reflects noticeably more light than S 5040-B80G (LRV 8), a difference of 23 points that becomes especially apparent in rooms with limited natural light. Poseidon runs blue while S 5040-B80G is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 29.5, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Poseidon vs S 5040-B80G Simulated Comparison
5 simulated room previews — drag the slider on each to see Poseidon on one side and S 5040-B80G 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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