Mermaid Green vs Just Walnut
Where Mermaid Green belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Mermaid Green reads as blue-green, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Mermaid Green (LRV 61), a difference of 11 points that becomes especially apparent in rooms with limited natural light. Mermaid Green runs green and blue while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 33.1, 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
Mermaid Green vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Mermaid Green on one side and Just Walnut 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 Green comparisons
See how Mermaid Green stacks up against other well-photographed colors across different brands and tones.








































