Just Walnut vs Concrete grey
Just Walnut (Dulux) and Concrete grey (RAL Classic) come from different manufacturers. Hue-wise, Just Walnut belongs to the beige-greige family and Concrete grey to the grey family. The 49-point LRV gap — 72 for Just Walnut vs 23 for Concrete grey — means Just Walnut will open up a space more effectively. A ΔE of 34.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Just Walnut vs Concrete grey in Real Spaces
1 real room side by side. Seeing Just Walnut and Concrete grey in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. 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 Concrete grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Concrete grey 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.









































