Penthouse vs Just Walnut
Penthouse (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Both sit in the beige-greige family, which is useful context if you're narrowing within a single hue direction. The 10-point LRV gap — 72 for Just Walnut vs 62 for Penthouse — means Just Walnut will open up a space more effectively. Where Penthouse leans yellow, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 5.8 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Penthouse vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Penthouse 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 Penthouse comparisons
See how Penthouse stacks up against other well-photographed colors across different brands and tones.








































