Thundercloud Gray vs Purbeck Stone
Thundercloud Gray is a Benjamin Moore color while Purbeck Stone comes from Farrow & Ball. Thundercloud Gray reads as blue-grey, while Purbeck Stone reads as greige-grey — two distinct hue families, not close cousins. With LRVs of 50 and 52, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Thundercloud Gray's blue character against Purbeck Stone's warm — becomes most visible against white trim or in morning light. At ΔE 8.1, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Thundercloud Gray vs Purbeck Stone in Real Spaces
2 real rooms side by side. Thundercloud Gray and Purbeck Stone 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.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The temperature contrast between Purbeck Stone and Thundercloud Gray is what sets these apart most in this context.
Kitchen Cabinets
On cabinetry, undertone and temperature become more pronounced against countertops and hardware. The temperature contrast between Purbeck Stone and Thundercloud Gray is what sets these apart most in this context.
Color Details
Thundercloud Gray vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Thundercloud Gray on one side and Purbeck Stone 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 Thundercloud Gray comparisons
See how Thundercloud Gray stacks up against other well-photographed colors across different brands and tones.
