Purbeck Stone vs On The Rocks
Where Purbeck Stone belongs to Farrow & Ball's range, On The Rocks is a Sherwin-Williams color. Purbeck Stone reads as greige-grey, while On The Rocks reads as grey — two distinct hue families, not close cousins. On The Rocks (LRV 62) reflects noticeably more light than Purbeck Stone (LRV 52), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Purbeck Stone runs warm while On The Rocks is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.2 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.
Purbeck Stone vs On The Rocks in Real Spaces
1 real room side by side. Purbeck Stone and On The Rocks 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.
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 On The Rocks will make the room feel meaningfully brighter than Purbeck Stone would.
Color Details
Purbeck Stone vs On The Rocks Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and On The Rocks 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.










































