Mermaid Sea vs Lucky Shamrock
Mermaid Sea is a Behr color while Lucky Shamrock comes from Benjamin Moore. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. At LRV 18 vs 13, Lucky Shamrock will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. The tonal difference — Mermaid Sea's green and blue character against Lucky Shamrock's green — becomes most visible against white trim or in morning light. With a ΔE of 1.2, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Mermaid Sea vs Lucky Shamrock in Real Spaces
1 real room side by side. Mermaid Sea and Lucky Shamrock are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The brightness difference is modest but present — Lucky Shamrock gives the walls a little more lift.
Color Details
Mermaid Sea vs Lucky Shamrock Simulated Comparison
5 simulated room previews — drag the slider on each to see Mermaid Sea on one side and Lucky Shamrock 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.
