Blue Moon Bay vs Purbeck Stone
Where Blue Moon Bay belongs to Behr's range, Purbeck Stone is a Farrow & Ball color. Hue-wise, Blue Moon Bay belongs to the blue family and Purbeck Stone to the greige-grey family. Purbeck Stone (LRV 52) reflects noticeably more light than Blue Moon Bay (LRV 19), a difference of 33 points that becomes especially apparent in rooms with limited natural light. Blue Moon Bay 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 33.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Blue Moon Bay vs Purbeck Stone Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Moon Bay 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 Blue Moon Bay comparisons
See how Blue Moon Bay stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 19, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 19), opening up a space where Blue Moon Bay encloses it.
At LRV 19 vs 6, Blue Moon Bay is decisively the brighter choice.
Evergreen Fog reads slightly lighter (LRV 30 vs 19), a gap that shows most in low-lit rooms.
At LRV 52 vs 19, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 19), opening up a space where Blue Moon Bay encloses it.
At LRV 58 vs 19, Accessible Beige is decisively the brighter choice.
A 8-point LRV gap (27 vs 19) makes Denim Drift the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 19), opening up a space where Blue Moon Bay encloses it.
Blue Moon Bay reflects far more light (LRV 19 vs 4), opening up a space where Naval encloses it.
At LRV 55 vs 19, Tranquil Dawn is decisively the brighter choice.
A 6-point LRV gap (19 vs 13) makes Blue Moon Bay the marginally brighter of the two.
At LRV 44 vs 19, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 19), opening up a space where Blue Moon Bay encloses it.
With LRVs of 21 and 19, the two reflect almost the same amount of light.
At LRV 66 vs 19, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 19, Shoji White is decisively the brighter choice.
At LRV 83 vs 19, Snowbound is decisively the brighter choice.
A 7-point LRV gap (19 vs 12) makes Blue Moon Bay the marginally brighter of the two.
At LRV 68 vs 19, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 19), opening up a space where Blue Moon Bay encloses it.
Calamine reflects far more light (LRV 68 vs 19), opening up a space where Blue Moon Bay encloses it.
Treron reads slightly lighter (LRV 25 vs 19), a gap that shows most in low-lit rooms.
A 7-point LRV gap (19 vs 12) makes Blue Moon Bay the marginally brighter of the two.
At LRV 45 vs 19, Saybrook Sage is decisively the brighter choice.
Pale Green reads slightly lighter (LRV 31 vs 19), a gap that shows most in low-lit rooms.
Blue Moon Bay reflects far more light (LRV 19 vs 7), opening up a space where Pine Needle encloses it.
Cement grey reads slightly lighter (LRV 24 vs 19), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 19), opening up a space where Blue Moon Bay encloses it.
Just Walnut reflects far more light (LRV 72 vs 19), opening up a space where Blue Moon Bay encloses it.