Smokestack Gray vs Just Walnut
Smokestack Gray (Benjamin Moore) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Smokestack Gray belongs to the blue-grey family and Just Walnut to the beige-greige family. The 49-point LRV gap — 72 for Just Walnut vs 23 for Smokestack Gray — means Just Walnut will open up a space more effectively. Where Smokestack Gray leans blue, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 35.5 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.
Smokestack Gray vs Just Walnut in Real Spaces
4 real rooms side by side. Seeing Smokestack Gray 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.
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 Smokestack Gray.
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.
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
Smokestack Gray vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Smokestack Gray 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 Smokestack Gray comparisons
See how Smokestack Gray stacks up against other well-photographed colors across different brands and tones.
