Lulworth Blue vs Regale Blue
Where Lulworth Blue belongs to Farrow & Ball's range, Regale Blue is a Sherwin-Williams color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Lulworth Blue (LRV 45) reflects noticeably more light than Regale Blue (LRV 42), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Both lean cool, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 11.6, 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
Lulworth Blue vs Regale Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Lulworth Blue on one side and Regale Blue 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 Lulworth Blue comparisons
See how Lulworth Blue stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 45, White Dove is decisively the brighter choice.
Ammonite reflects far more light (LRV 69 vs 45), opening up a space where Lulworth Blue encloses it.
At LRV 45 vs 6, Lulworth Blue is decisively the brighter choice.
Purbeck Stone reads slightly lighter (LRV 52 vs 45), a gap that shows most in low-lit rooms.
Lulworth Blue reflects far more light (LRV 45 vs 30), opening up a space where Evergreen Fog encloses it.
A 6-point LRV gap (52 vs 45) makes Mizzle the marginally brighter of the two.
Agreeable Gray reflects far more light (LRV 60 vs 45), opening up a space where Lulworth Blue encloses it.
At LRV 58 vs 45, Accessible Beige is decisively the brighter choice.
At LRV 45 vs 27, Lulworth Blue is decisively the brighter choice.
With LRVs of 45 and 43, the two reflect almost the same amount of light.
Lulworth Blue reflects far more light (LRV 45 vs 4), opening up a space where Naval encloses it.
A 10-point LRV gap (55 vs 45) makes Tranquil Dawn the marginally brighter of the two.
At LRV 45 vs 13, Lulworth Blue is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 45 vs 44), so neither reads brighter in a room.
Pure White reflects far more light (LRV 84 vs 45), opening up a space where Lulworth Blue encloses it.
Lulworth Blue reflects far more light (LRV 45 vs 21), opening up a space where Artichoke encloses it.
At LRV 66 vs 45, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 45, Shoji White is decisively the brighter choice.
At LRV 83 vs 45, Snowbound is decisively the brighter choice.
At LRV 45 vs 12, Lulworth Blue is decisively the brighter choice.
At LRV 68 vs 45, Skimming Stone is decisively the brighter choice.
Lulworth Blue reads slightly lighter (LRV 45 vs 41), a gap that shows most in low-lit rooms.
Calamine reflects far more light (LRV 68 vs 45), opening up a space where Lulworth Blue encloses it.
Lulworth Blue reflects far more light (LRV 45 vs 25), opening up a space where Treron encloses it.
At LRV 45 vs 12, Lulworth Blue is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 45 vs 45), so neither reads brighter in a room.
Lulworth Blue reflects far more light (LRV 45 vs 31), opening up a space where Pale Green encloses it.
Lulworth Blue reflects far more light (LRV 45 vs 7), opening up a space where Pine Needle encloses it.
Lulworth Blue reflects far more light (LRV 45 vs 24), opening up a space where Cement grey encloses it.
Guilford Green reads slightly lighter (LRV 57 vs 45), a gap that shows most in low-lit rooms.