Lulworth Blue vs RAL 580-2
Lulworth Blue is a Farrow & Ball color while RAL 580-2 comes from RAL Effect. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 57 vs 45, RAL 580-2 will read as the brighter of the two — a 12-point gap that matters most in north-facing or low-light rooms. At ΔE 8.6, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Lulworth Blue vs RAL 580-2 in Real Spaces
3 real rooms side by side. Lulworth Blue and RAL 580-2 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The LRV gap is large enough that RAL 580-2 will make the room feel meaningfully brighter than Lulworth Blue would.
Bathroom
Bathrooms amplify color — the enclosed space and reflective surfaces make what reads subtle elsewhere feel more present here. The LRV gap is large enough that RAL 580-2 will make the room feel meaningfully brighter than Lulworth Blue would.
House
At full exterior scale, the difference between these two colors becomes much easier to judge than from a small chip. The LRV gap is large enough that RAL 580-2 will make the room feel meaningfully brighter than Lulworth Blue would.
Color Details
Lulworth Blue vs RAL 580-2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Lulworth Blue on one side and RAL 580-2 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.
