Functional Gray vs Westchester Gray
Both from Sherwin-Williams's palette. Hue-wise, Functional Gray belongs to the greige-grey family and Westchester Gray to the grey family. Functional Gray (LRV 37) reflects noticeably more light than Westchester Gray (LRV 19), a difference of 18 points that becomes especially apparent in rooms with limited natural light. Functional Gray runs warm while Westchester Gray is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 17.5, 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.
Functional Gray vs Westchester Gray in Real Spaces
4 real rooms side by side. Seeing Functional Gray and Westchester Gray in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Functional Gray reflects noticeably more light off the walls, making the space read more open than Westchester Gray.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Functional Gray reflects noticeably more light off the walls, making the space read more open than Westchester Gray.
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. Functional Gray reflects noticeably more light off the walls, making the space read more open than Westchester Gray.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Functional Gray reflects noticeably more light off the walls, making the space read more open than Westchester Gray.
Color Details
Functional Gray vs Westchester Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Functional Gray on one side and Westchester 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 Functional Gray comparisons
See how Functional Gray stacks up against other well-photographed colors across different brands and tones.
