Portsmouth vs Retreat
Both are Sherwin-Williams colors. Hue-wise, Portsmouth belongs to the blue-grey family and Retreat to the grey family. With LRVs of 22 and 21, they'll behave almost identically in terms of how much light they reflect back into a room. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 5.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Portsmouth vs Retreat in Real Spaces
1 real room side by side. Portsmouth and Retreat 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
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. Side by side like this, the difference is easy to read — which is exactly why seeing them in a real space is more useful than comparing chips.
Color Details
Portsmouth vs Retreat Simulated Comparison
5 simulated room previews — drag the slider on each to see Portsmouth on one side and Retreat 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 Portsmouth comparisons
See how Portsmouth stacks up against other well-photographed colors across different brands and tones.










































