Polished Slate vs Just Walnut
Where Polished Slate belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Polished Slate reads as blue, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. Just Walnut (LRV 72) reflects noticeably more light than Polished Slate (LRV 15), a difference of 57 points that becomes especially apparent in rooms with limited natural light. Polished Slate 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 46.1, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Polished Slate vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Polished Slate 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 Polished Slate comparisons
See how Polished Slate stacks up against other well-photographed colors across different brands and tones.








































