Traffic grey B vs Rock Bottom
Traffic grey B (RAL Classic) and Rock Bottom (Sherwin-Williams) come from different manufacturers. These are both greys, so the question isn't which hue to choose — it's where within grey to land. The 4-point LRV gap — 11 for Traffic grey B vs 7 for Rock Bottom — means Traffic grey B will open up a space more effectively. A ΔE of 2.8 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Traffic grey B vs Rock Bottom in Real Spaces
1 real room side by side. Traffic grey B and Rock Bottom 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.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Traffic grey B has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Traffic grey B vs Rock Bottom Simulated Comparison
5 simulated room previews — drag the slider on each to see Traffic grey B on one side and Rock Bottom 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 grey B comparisons
See how Traffic grey B stacks up against other well-photographed colors across different brands and tones.










































