Cool Ashes vs Just Walnut
Cool Ashes (Behr) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Cool Ashes belongs to the grey family and Just Walnut to the beige-greige family. The 43-point LRV gap — 72 for Just Walnut vs 29 for Cool Ashes — means Just Walnut will open up a space more effectively. Where Cool Ashes leans yellow, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 27.0 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.
Cool Ashes vs Just Walnut in Real Spaces
1 real room side by side. Seeing Cool Ashes 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.
Color Details
Cool Ashes vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Ashes 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 Cool Ashes comparisons
See how Cool Ashes stacks up against other well-photographed colors across different brands and tones.










































