Portsmouth vs Tidepool Wonder
Where Portsmouth belongs to Sherwin-Williams's range, Tidepool Wonder is a Valspar color. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. Tidepool Wonder (LRV 27) reflects noticeably more light than Portsmouth (LRV 22), a difference of 5 points that becomes especially apparent in rooms with limited natural light. The ΔE 6.3 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.
Portsmouth vs Tidepool Wonder in Real Spaces
1 real room side by side. Portsmouth and Tidepool Wonder 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. Tidepool Wonder reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Portsmouth vs Tidepool Wonder Simulated Comparison
5 simulated room previews — drag the slider on each to see Portsmouth on one side and Tidepool Wonder 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.










































