Natural Slate vs Black grey
Where Natural Slate belongs to Dulux's range, Black grey is a RAL Classic color. Hue-wise, Natural Slate belongs to the grey family and Black grey to the blue-grey family. Natural Slate (LRV 31) reflects noticeably more light than Black grey (LRV 6), a difference of 25 points that becomes especially apparent in rooms with limited natural light. With a ΔE of 40.2, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Natural Slate vs Black grey Simulated Comparison
5 simulated room previews — drag the slider on each to see Natural Slate 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 Natural Slate comparisons
See how Natural Slate stacks up against other well-photographed colors across different brands and tones.
