Sun Dust 2 vs Black grey
Sun Dust 2 (Dulux) and Black grey (RAL Classic) come from different manufacturers. Hue-wise, Sun Dust 2 belongs to the beige family and Black grey to the blue-grey family. The 43-point LRV gap — 49 for Sun Dust 2 vs 6 for Black grey — means Sun Dust 2 will open up a space more effectively. A ΔE of 82.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Sun Dust 2 vs Black grey in Real Spaces
2 real rooms side by side. Seeing Sun Dust 2 and Black grey 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. Sun Dust 2 reflects noticeably more light off the walls, making the space read more open than Black grey.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. Sun Dust 2 reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Sun Dust 2 vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Sun Dust 2 on one side and Black grey 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 Sun Dust 2 comparisons
See how Sun Dust 2 stacks up against other well-photographed colors across different brands and tones.












































