Cool Arbour vs Gateway Gray
Cool Arbour (Little Greene) and Gateway Gray (Sherwin-Williams) come from different manufacturers. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. Gateway Gray has an LRV of 41. Where Cool Arbour leans yellow and red, Gateway Gray reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 0.4 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.
Cool Arbour vs Gateway Gray in Real Spaces
1 real room side by side. Cool Arbour and Gateway Gray 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.
Living Room
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Color Details
Cool Arbour vs Gateway Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Arbour on one side and Gateway Gray 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 Cool Arbour comparisons
See how Cool Arbour stacks up against other well-photographed colors across different brands and tones.










































