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.
At LRV 69 vs 12, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 12), opening up a space where Slate grey encloses it.
Slate grey reads slightly lighter (LRV 12 vs 6), a gap that shows most in low-lit rooms.
At LRV 52 vs 12, Purbeck Stone is decisively the brighter choice.
At LRV 30 vs 12, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 12), opening up a space where Slate grey encloses it.
At LRV 60 vs 12, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 12), opening up a space where Slate grey encloses it.
Denim Drift reflects far more light (LRV 27 vs 12), opening up a space where Slate grey encloses it.
At LRV 43 vs 12, French Gray is decisively the brighter choice.
A 7-point LRV gap (12 vs 4) makes Slate grey the marginally brighter of the two.
Tranquil Dawn reflects far more light (LRV 55 vs 12), opening up a space where Slate grey encloses it.
With LRVs of 13 and 12, the two reflect almost the same amount of light.
Hardwick White reflects far more light (LRV 44 vs 12), opening up a space where Slate grey encloses it.
At LRV 84 vs 12, Pure White is decisively the brighter choice.
A 10-point LRV gap (21 vs 12) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 12), opening up a space where Slate grey encloses it.
Shoji White reflects far more light (LRV 74 vs 12), opening up a space where Slate grey encloses it.
Snowbound reflects far more light (LRV 83 vs 12), opening up a space where Slate grey encloses it.
At LRV 51 vs 12, Pigeon is decisively the brighter choice.
With LRVs of 12 and 12, the two reflect almost the same amount of light.
Slate grey reads slightly lighter (LRV 12 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 12), opening up a space where Slate grey encloses it.
At LRV 41 vs 12, Dix Blue is decisively the brighter choice.
With LRVs of 12 and 12, the two reflect almost the same amount of light.
Saybrook Sage reflects far more light (LRV 45 vs 12), opening up a space where Slate grey encloses it.
At LRV 31 vs 12, Pale Green is decisively the brighter choice.