Purbeck Stone vs Coastal Plain
Where Purbeck Stone belongs to Farrow & Ball's range, Coastal Plain is a Sherwin-Williams color. Hue-wise, Purbeck Stone belongs to the greige-grey family and Coastal Plain to the green-grey family. Purbeck Stone (LRV 52) reflects noticeably more light than Coastal Plain (LRV 37), a difference of 15 points that becomes especially apparent in rooms with limited natural light. Purbeck Stone runs warm while Coastal Plain is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 12.1, 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 6 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs Coastal Plain in Real Spaces
6 real rooms side by side. Seeing Purbeck Stone and Coastal Plain in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Purbeck Stone will make the room feel meaningfully brighter than Coastal Plain would.
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 Coastal Plain.
Kitchen
In a kitchen, colors are seen under bright task lighting that amplifies undertones — what reads neutral elsewhere can show its hand here. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Coastal Plain.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Coastal Plain.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Coastal Plain.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Purbeck Stone reflects noticeably more light off the walls, making the space read more open than Coastal Plain.
Color Details
Purbeck Stone vs Coastal Plain Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and Coastal Plain 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.




















































