Slate grey vs Traffic grey B
Slate grey and Traffic grey B come from the same RAL Classic collection. Hue-wise, Slate grey belongs to the blue-grey family and Traffic grey B to the grey family. Their light reflectance values are nearly the same — 12 vs 11 — so neither will read significantly brighter or darker than the other. ΔE 4.4 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Slate grey vs Traffic grey B Simulated Comparison
5 simulated room previews — drag the slider on each to see Slate grey on one side and Traffic grey B 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 Slate grey comparisons
See how Slate grey stacks up against other well-photographed colors across different brands and tones.







































