Portsmouth vs Prelude
Both are Sherwin-Williams colors. Portsmouth reads as blue-grey, while Prelude reads as grey — two distinct hue families, not close cousins. At LRV 22 vs 9, Portsmouth will read as the brighter of the two — a 12-point gap that matters most in north-facing or low-light rooms. They share a neutral quality — useful to know if you're layering them in the same space. At ΔE 19.0, these are genuinely distinct colors — a strong contrast if used together, or a meaningful choice between two different directions. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Portsmouth vs Prelude Simulated Comparison
5 simulated room previews — drag the slider on each to see Portsmouth on one side and Prelude 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.
