Black grey vs Night Jewels 1
Black grey (RAL Classic) and Night Jewels 1 (Dulux) come from different manufacturers. Their light reflectance values are nearly the same — 6 vs 5 — so neither will read significantly brighter or darker than the other. ΔE 3.7 means they're clearly different, but not dramatically so — they'd pair well in the same room.
Black grey vs Night Jewels 1 Color Comparison
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.
Color Details
Black grey vs Night Jewels 1 in Real Spaces
Black grey and Night Jewels 1 are close enough that the difference can be hard to judge from a chip alone. These real-room photos show how each reads at scale, across different spaces and lighting conditions. Showing 1 room type where both colors have photos.
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. The distinction reads clearly at room scale, making the choice between them concrete.
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See how Black grey stacks up against other well-photographed colors across different brands and tones.

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