Just Walnut vs Grey Blue
Just Walnut (Dulux) and Grey Blue (RAL Classic) come from different manufacturers. Just Walnut reads as beige-greige, while Grey Blue reads as blue-grey — two distinct hue families, not close cousins. The 65-point LRV gap — 72 for Just Walnut vs 7 for Grey Blue — means Just Walnut will open up a space more effectively. A ΔE of 56.1 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 Grey Blue in Real Spaces
2 real rooms side by side. Seeing Just Walnut and Grey Blue 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.
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 Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Just Walnut on one side and Grey Blue 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.
