Seaside Blue vs Just Walnut
Seaside Blue (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Seaside Blue belongs to the blue family and Just Walnut to the beige-greige family. The 25-point LRV gap — 72 for Just Walnut vs 47 for Seaside Blue — means Just Walnut will open up a space more effectively. Where Seaside Blue leans blue, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 28.1 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
Seaside Blue vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Seaside Blue 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 Seaside Blue comparisons
See how Seaside Blue stacks up against other well-photographed colors across different brands and tones.
