Purbeck Stone vs RAL 850-3
Where Purbeck Stone belongs to Farrow & Ball's range, RAL 850-3 is a RAL Effect color. Hue-wise, Purbeck Stone belongs to the greige-grey family and RAL 850-3 to the grey family. Purbeck Stone (LRV 52) reflects noticeably more light than RAL 850-3 (LRV 38), a difference of 14 points that becomes especially apparent in rooms with limited natural light. The ΔE 9.7 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Purbeck Stone vs RAL 850-3 in Real Spaces
5 real rooms side by side. Purbeck Stone and RAL 850-3 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 Purbeck Stone will make the room feel meaningfully brighter than RAL 850-3 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 RAL 850-3.
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 RAL 850-3.
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 RAL 850-3.
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 RAL 850-3.
Color Details
Purbeck Stone vs RAL 850-3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Purbeck Stone on one side and RAL 850-3 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.
