Purbeck Stone vs Buoyant Blue
Where Purbeck Stone belongs to Farrow & Ball's range, Buoyant Blue is a Sherwin-Williams color. Purbeck Stone reads as greige-grey, while Buoyant Blue reads as blue-green — two distinct hue families, not close cousins. Buoyant Blue (LRV 80) reflects noticeably more light than Purbeck Stone (LRV 52), a difference of 28 points that becomes especially apparent in rooms with limited natural light. Purbeck Stone runs warm while Buoyant Blue is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 17.1, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs Buoyant Blue in Real Spaces
1 real room side by side. Seeing Purbeck Stone and Buoyant Blue 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 Buoyant Blue will make the room feel meaningfully brighter than Purbeck Stone would.
Color Details
Purbeck Stone vs Buoyant Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and Buoyant Blue 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.










































