Just Walnut vs Black green
Just Walnut (Dulux) and Black green (RAL Classic) come from different manufacturers. Hue-wise, Just Walnut belongs to the beige-greige family and Black green to the blue-green family. The 65-point LRV gap — 72 for Just Walnut vs 7 for Black green — means Just Walnut will open up a space more effectively. A ΔE of 63.5 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.
Just Walnut vs Black green in Real Spaces
2 real rooms side by side. Seeing Just Walnut and Black green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Just Walnut returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 Black green Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Black green 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.
