Lucky Shamrock vs S 5040-B80G
Lucky Shamrock (Benjamin Moore) 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 10-point LRV gap — 18 for Lucky Shamrock vs 8 for S 5040-B80G — means Lucky Shamrock will open up a space more effectively. Where Lucky Shamrock leans green, S 5040-B80G reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 14.1 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
Lucky Shamrock vs S 5040-B80G Simulated Comparison
5 simulated room previews — drag the slider on each to see Lucky Shamrock 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 Lucky Shamrock comparisons
See how Lucky Shamrock stacks up against other well-photographed colors across different brands and tones.
