Black grey vs RAL 680-5
Where Black grey belongs to RAL Classic's range, RAL 680-5 is a RAL Effect color. Hue-wise, Black grey belongs to the blue-grey family and RAL 680-5 to the blue family. They have nearly identical light reflectance values (6 vs 8), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 32.6, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black grey vs RAL 680-5 in Real Spaces
2 real rooms side by side. Seeing Black grey and RAL 680-5 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Black grey vs RAL 680-5 Simulated Comparison
5 simulated room previews — drag the slider on each to see Black grey on one side and RAL 680-5 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 Black grey comparisons
See how Black grey stacks up against other well-photographed colors across different brands and tones.
