Purbeck Stone vs Portsmouth
Where Purbeck Stone belongs to Farrow & Ball's range, Portsmouth is a Sherwin-Williams color. Hue-wise, Purbeck Stone belongs to the greige-grey family and Portsmouth to the blue-grey family. Purbeck Stone (LRV 52) reflects noticeably more light than Portsmouth (LRV 22), a difference of 30 points that becomes especially apparent in rooms with limited natural light. Purbeck Stone runs warm while Portsmouth is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 24.8, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs Portsmouth in Real Spaces
1 real room side by side. Seeing Purbeck Stone and Portsmouth in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Portsmouth.
Color Details
Purbeck Stone vs Portsmouth Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone 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 Purbeck Stone comparisons
See how Purbeck Stone stacks up against other well-photographed colors across different brands and tones.
