Urbane Grey vs Acier
Where Urbane Grey belongs to Little Greene's range, Acier is a Sherwin-Williams color. Both sit in the grey family, which is useful context if you're narrowing within a single hue direction. Urbane Grey (LRV 35) reflects noticeably more light than Acier (LRV 32), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Urbane Grey runs yellow while Acier is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 3.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Urbane Grey vs Acier in Real Spaces
1 real room side by side. Urbane Grey 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.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Urbane Grey reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Urbane Grey vs Acier Simulated Comparison
5 simulated room previews — drag the slider on each to see Urbane Grey 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 Urbane Grey comparisons
See how Urbane Grey stacks up against other well-photographed colors across different brands and tones.










































