Rock Harbor Violet vs Just Walnut
Where Rock Harbor Violet belongs to Benjamin Moore's range, Just Walnut is a Dulux color. Rock Harbor Violet reads as grey-purple, while Just Walnut reads as beige-greige — two distinct hue families, not close cousins. They have nearly identical light reflectance values (71 vs 72), so they'll read as similarly Light in most lighting conditions. Rock Harbor Violet runs red while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. At ΔE 2.9, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Rock Harbor Violet vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Rock Harbor Violet 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 Rock Harbor Violet comparisons
See how Rock Harbor Violet stacks up against other well-photographed colors across different brands and tones.








































