Blustery Sky vs Portsmouth
Both from Sherwin-Williams's palette. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (22 vs 22), so they'll read as similarly Medium in most lighting conditions. Blustery Sky runs cool while Portsmouth is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.2 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Blustery Sky vs Portsmouth in Real Spaces
1 real room side by side. Blustery Sky and Portsmouth 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. Portsmouth brings more warmth to the space, while Blustery Sky keeps things cooler and crisper.
Color Details
Blustery Sky vs Portsmouth Simulated Comparison
5 simulated room previews — drag the slider on each to see Blustery Sky on one side and Portsmouth 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 Blustery Sky comparisons
See how Blustery Sky stacks up against other well-photographed colors across different brands and tones.










































