S 4500-N vs Traffic grey A
Where S 4500-N belongs to NCS's range, Traffic grey A is a RAL Classic color. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Traffic grey A (LRV 31) reflects noticeably more light than S 4500-N (LRV 27), a difference of 4 points that becomes especially apparent in rooms with limited natural light. At ΔE 2.3, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
S 4500-N vs Traffic grey A in Real Spaces
1 real room side by side. S 4500-N and Traffic grey A 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.
Front Door
A front door is a focal point — small color differences read clearly at this concentrated scale. The brightness difference is modest but present — Traffic grey A gives the walls a little more lift.
Color Details
S 4500-N vs Traffic grey A Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4500-N on one side and Traffic grey A 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 S 4500-N comparisons
See how S 4500-N stacks up against other well-photographed colors across different brands and tones.









































