Shiny Luster vs Just Walnut
Where Shiny Luster belongs to Behr's range, Just Walnut is a Dulux color. Hue-wise, Shiny Luster belongs to the grey family and Just Walnut to the beige-greige family. They have nearly identical light reflectance values (72 vs 72), so they'll read as similarly Light in most lighting conditions. Shiny Luster runs green while Just Walnut is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 3.3 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Shiny Luster vs Just Walnut in Real Spaces
1 real room side by side. Shiny Luster and Just Walnut are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Just Walnut brings more warmth to the space, while Shiny Luster keeps things cooler and crisper.
Color Details
Shiny Luster vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Shiny Luster 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 Shiny Luster comparisons
See how Shiny Luster stacks up against other well-photographed colors across different brands and tones.










































