Mermaid Sea vs S 5040-B80G
Mermaid Sea (Behr) and S 5040-B80G (NCS) come from different manufacturers. These are both blues, so the question isn't which hue to choose — it's where within blue to land. The 4-point LRV gap — 13 for Mermaid Sea vs 8 for S 5040-B80G — means Mermaid Sea will open up a space more effectively. Where Mermaid Sea leans green and blue, S 5040-B80G reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 13.5 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
Mermaid Sea vs S 5040-B80G Simulated Comparison
5 simulated room previews — drag the slider on each to see Mermaid Sea 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.
More Mermaid Sea comparisons
See how Mermaid Sea stacks up against other well-photographed colors across different brands and tones.
