Traffic black vs RAL 790-4
Traffic black is a RAL Classic color while RAL 790-4 comes from RAL Effect. These are both greys, so the question isn't which hue to choose — it's where within grey to land. With LRVs of 4 and 4, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 3.3, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Traffic black vs RAL 790-4 in Real Spaces
1 real room side by side. Traffic black and RAL 790-4 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. 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.
Color Details
Traffic black vs RAL 790-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Traffic black on one side and RAL 790-4 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 Traffic black comparisons
See how Traffic black stacks up against other well-photographed colors across different brands and tones.









































