Horizon Gray vs Just Walnut
Horizon Gray (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Horizon Gray belongs to the greige-grey family and Just Walnut to the beige-greige family. The 21-point LRV gap — 72 for Just Walnut vs 51 for Horizon Gray — means Just Walnut will open up a space more effectively. Where Horizon Gray leans yellow, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 11.8 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Horizon Gray vs Just Walnut in Real Spaces
2 real rooms side by side. Seeing Horizon Gray and Just Walnut in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Dining Room
Dining rooms often rely on warm incandescent or candlelight, which flatters warm undertones and mutes cool ones. The LRV gap is large enough that Just Walnut will make the room feel meaningfully brighter than Horizon Gray would.
Color Details
Horizon Gray vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Horizon Gray 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 Horizon Gray comparisons
See how Horizon Gray stacks up against other well-photographed colors across different brands and tones.
