Big Chill vs Illusion
Both from Sherwin-Williams's palette. Big Chill reads as grey, while Illusion reads as greige-grey — two distinct hue families, not close cousins. Big Chill (LRV 62) reflects noticeably more light than Illusion (LRV 40), a difference of 22 points that becomes especially apparent in rooms with limited natural light. Big Chill runs neutral while Illusion is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 14.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Big Chill vs Illusion in Real Spaces
4 real rooms side by side. Seeing Big Chill and Illusion in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 LRV gap is large enough that Big Chill will make the room feel meaningfully brighter than Illusion would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Big Chill reflects noticeably more light off the walls, making the space read more open than Illusion.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Big Chill reflects noticeably more light off the walls, making the space read more open than Illusion.
House
Seen across an entire facade, subtle tonal differences become pronounced. What reads as nearly the same on a chip often reads as clearly different at scale. Big Chill reflects noticeably more light off the walls, making the space read more open than Illusion.
Color Details
Big Chill vs Illusion Simulated Comparison
5 simulated room previews — drag the slider on each to see Big Chill 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.