Gunmetal vs Just Walnut
Where Gunmetal belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Hue-wise, Gunmetal belongs to the grey family and Just Walnut to the beige-greige family. Just Walnut (LRV 72) reflects noticeably more light than Gunmetal (LRV 17), a difference of 55 points that becomes especially apparent in rooms with limited natural light. Gunmetal runs blue while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 41.3, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Gunmetal vs Just Walnut in Real Spaces
1 real room side by side. Seeing Gunmetal 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Just Walnut reflects noticeably more light off the walls, making the space read more open than Gunmetal.
Color Details
Gunmetal vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Gunmetal 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 Gunmetal comparisons
See how Gunmetal stacks up against other well-photographed colors across different brands and tones.










































