Britannia Blue vs Purbeck Stone
Where Britannia Blue belongs to Benjamin Moore's range, Purbeck Stone is a Farrow & Ball color. Hue-wise, Britannia Blue belongs to the blue-grey family and Purbeck Stone to the greige-grey family. Purbeck Stone (LRV 52) reflects noticeably more light than Britannia Blue (LRV 18), a difference of 34 points that becomes especially apparent in rooms with limited natural light. Britannia Blue runs blue while Purbeck Stone is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 32.0, 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 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Britannia Blue vs Purbeck Stone in Real Spaces
3 real rooms side by side. Seeing Britannia Blue and Purbeck Stone 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 Britannia Blue would.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Purbeck Stone returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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 Britannia Blue.
Color Details
Britannia Blue vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Britannia Blue 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 Britannia Blue comparisons
See how Britannia Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 69 vs 18, Ammonite is decisively the brighter choice.
White Dove reflects far more light (LRV 83 vs 18), opening up a space where Britannia Blue encloses it.
Britannia Blue reflects far more light (LRV 18 vs 6), opening up a space where Iron Ore encloses it.
At LRV 30 vs 18, Evergreen Fog is decisively the brighter choice.
Mizzle reflects far more light (LRV 52 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 60 vs 18, Agreeable Gray is decisively the brighter choice.
Accessible Beige reflects far more light (LRV 58 vs 18), opening up a space where Britannia Blue encloses it.
Denim Drift reads slightly lighter (LRV 27 vs 18), a gap that shows most in low-lit rooms.
At LRV 43 vs 18, French Gray is decisively the brighter choice.
At LRV 18 vs 4, Britannia Blue is decisively the brighter choice.
Tranquil Dawn reflects far more light (LRV 55 vs 18), opening up a space where Britannia Blue encloses it.
Britannia Blue reads slightly lighter (LRV 18 vs 13), a gap that shows most in low-lit rooms.
Hardwick White reflects far more light (LRV 44 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 84 vs 18, Pure White is decisively the brighter choice.
A 3-point LRV gap (21 vs 18) makes Artichoke the marginally brighter of the two.
Balboa Mist reflects far more light (LRV 66 vs 18), opening up a space where Britannia Blue encloses it.
Shoji White reflects far more light (LRV 74 vs 18), opening up a space where Britannia Blue encloses it.
Snowbound reflects far more light (LRV 83 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 51 vs 18, Pigeon is decisively the brighter choice.
Britannia Blue reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Britannia Blue reads slightly lighter (LRV 18 vs 8), a gap that shows most in low-lit rooms.
Skimming Stone reflects far more light (LRV 68 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 41 vs 18, Dix Blue is decisively the brighter choice.
Britannia Blue reads slightly lighter (LRV 18 vs 12), a gap that shows most in low-lit rooms.
Saybrook Sage reflects far more light (LRV 45 vs 18), opening up a space where Britannia Blue encloses it.
At LRV 31 vs 18, Pale Green is decisively the brighter choice.
A 11-point LRV gap (18 vs 7) makes Britannia Blue the marginally brighter of the two.