Just Walnut vs Green Marble
Just Walnut (Dulux) and Green Marble (Jotun) come from different manufacturers. Just Walnut reads as beige-greige, while Green Marble reads as green-grey — two distinct hue families, not close cousins. The 59-point LRV gap — 72 for Just Walnut vs 13 for Green Marble — means Just Walnut will open up a space more effectively. Where Just Walnut leans warm, Green Marble reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 44.4 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Just Walnut vs Green Marble in Real Spaces
4 real rooms side by side. Seeing Just Walnut and Green Marble in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Just Walnut reflects noticeably more light off the walls, making the space read more open than Green Marble.
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 Green Marble would.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Just Walnut vs Green Marble Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Green Marble 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 Just Walnut comparisons
See how Just Walnut stacks up against other well-photographed colors across different brands and tones.
