Chalk Blush 3 vs Black grey
Chalk Blush 3 (Dulux) and Black grey (RAL Classic) come from different manufacturers. Hue-wise, Chalk Blush 3 belongs to the greige-grey family and Black grey to the blue-grey family. The 67-point LRV gap — 73 for Chalk Blush 3 vs 6 for Black grey — means Chalk Blush 3 will open up a space more effectively. A ΔE of 66.6 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Chalk Blush 3 vs Black grey in Real Spaces
1 real room side by side. Seeing Chalk Blush 3 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. Chalk Blush 3 reflects noticeably more light off the walls, making the space read more open than Black grey.
Color Details
Chalk Blush 3 vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Chalk Blush 3 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 Chalk Blush 3 comparisons
See how Chalk Blush 3 stacks up against other well-photographed colors across different brands and tones.
