Blue Diamond vs Just Walnut
Blue Diamond (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Blue Diamond belongs to the blue family and Just Walnut to the beige-greige family. The 3-point LRV gap — 72 for Just Walnut vs 69 for Blue Diamond — means Just Walnut will open up a space more effectively. Where Blue Diamond leans blue, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 17.2 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
Blue Diamond vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Diamond 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 Blue Diamond comparisons
See how Blue Diamond stacks up against other well-photographed colors across different brands and tones.
