S 4500-N vs Acier
S 4500-N is a NCS color while Acier comes from Sherwin-Williams. These are both greys, so the question isn't which hue to choose — it's where within grey to land. At LRV 32 vs 27, Acier will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 5.7, 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.
S 4500-N vs Acier in Real Spaces
1 real room side by side. S 4500-N and Acier 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.
Color Details
S 4500-N vs Acier Simulated Comparison
5 simulated room previews — drag the slider on each to see S 4500-N on one side and Acier 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.
