Cool Arbour vs Illusion
Where Cool Arbour belongs to Little Greene's range, Illusion is a Sherwin-Williams color. Both sit in the greige-grey family, which is useful context if you're narrowing within a single hue direction. Illusion has an LRV of 40. Cool Arbour runs yellow and red while Illusion is decidedly warm, which means they'll respond very differently to warm vs cool light sources. At ΔE 1.3, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Cool Arbour vs Illusion in Real Spaces
3 real rooms side by side. Cool Arbour and Illusion 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
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. At this scale the difference is subtle — you'd need them side by side, as shown here, to reliably tell them apart.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. 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 Illusion Simulated Comparison
5 simulated room previews — drag the slider on each to see Cool Arbour on one side and Illusion 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.
