Foggy Day vs Westchester Gray
Both from Sherwin-Williams's palette. Hue-wise, Foggy Day belongs to the blue-grey family and Westchester Gray to the grey family. They have nearly identical light reflectance values (20 vs 19), so they'll read as similarly Medium in most lighting conditions. Both lean neutral, so they'll behave similarly in mixed or changing light conditions. The ΔE 4.5 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Foggy Day vs Westchester Gray in Real Spaces
2 real rooms side by side. Foggy Day and Westchester 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.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. The distinction reads clearly at room scale, making the choice between them concrete.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Foggy Day vs Westchester Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Foggy Day 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 Foggy Day comparisons
See how Foggy Day stacks up against other well-photographed colors across different brands and tones.
White Dove reflects far more light (LRV 83 vs 20), opening up a space where Foggy Day encloses it.
At LRV 52 vs 20, Purbeck Stone is decisively the brighter choice.
A 11-point LRV gap (30 vs 20) makes Evergreen Fog the marginally brighter of the two.
At LRV 60 vs 20, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 20), opening up a space where Foggy Day encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 20), a gap that shows most in low-lit rooms.
At LRV 43 vs 20, French Gray is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 20), opening up a space where Foggy Day encloses it.
Hardwick White reflects far more light (LRV 44 vs 20), opening up a space where Foggy Day encloses it.
At LRV 84 vs 20, Pure White is decisively the brighter choice.
Balboa Mist reflects far more light (LRV 66 vs 20), opening up a space where Foggy Day encloses it.
Shoji White reflects far more light (LRV 74 vs 20), opening up a space where Foggy Day encloses it.
Foggy Day reads slightly lighter (LRV 20 vs 12), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 20), opening up a space where Foggy Day encloses it.
Foggy Day reads slightly lighter (LRV 20 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 20), opening up a space where Foggy Day encloses it.
A 12-point LRV gap (31 vs 20) makes Pale Green the marginally brighter of the two.
At LRV 20 vs 7, Foggy Day is decisively the brighter choice.
A 5-point LRV gap (24 vs 20) makes Cement grey the marginally brighter of the two.
At LRV 57 vs 20, Guilford Green is decisively the brighter choice.