Windmill Lane vs RAL 730-4
Windmill Lane (Little Greene) and RAL 730-4 (RAL Effect) come from different manufacturers. Windmill Lane reads as green-grey, while RAL 730-4 reads as blue — two distinct hue families, not close cousins. The 7-point LRV gap — 38 for RAL 730-4 vs 31 for Windmill Lane — means RAL 730-4 will open up a space more effectively. A ΔE of 19.1 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Windmill Lane vs RAL 730-4 in Real Spaces
1 real room side by side. Seeing Windmill Lane and RAL 730-4 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. RAL 730-4 reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Windmill Lane vs RAL 730-4 Simulated Comparison
5 simulated room previews — drag the slider on each to see Windmill Lane on one side and RAL 730-4 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 Windmill Lane comparisons
See how Windmill Lane stacks up against other well-photographed colors across different brands and tones.










































