Serene Blue vs Portsmouth
Serene Blue is a Jotun color while Portsmouth comes from Sherwin-Williams. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. With LRVs of 22 and 22, 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. With a ΔE of 1.7, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Serene Blue vs Portsmouth in Real Spaces
1 real room side by side. Serene Blue 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
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Serene Blue vs Portsmouth Simulated Comparison
5 simulated room previews — drag the slider on each to see Serene Blue 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 Serene Blue comparisons
See how Serene Blue stacks up against other well-photographed colors across different brands and tones.
