Black Opal vs Windmill Lane
Black Opal (Dulux) and Windmill Lane (Little Greene) come from different manufacturers. Hue-wise, Black Opal belongs to the blue family and Windmill Lane to the green-grey family. The 25-point LRV gap — 31 for Windmill Lane vs 6 for Black Opal — means Windmill Lane will open up a space more effectively. Where Black Opal leans cool, Windmill Lane reads green — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 46.3 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Black Opal vs Windmill Lane in Real Spaces
2 real rooms side by side. Seeing Black Opal and Windmill Lane 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. Windmill Lane reflects noticeably more light off the walls, making the space read more open than Black Opal.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Windmill Lane returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Black Opal vs Windmill Lane Simulated Comparison
5 simulated room previews — drag the slider on each to see Black Opal on one side and Windmill Lane 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 Black Opal comparisons
See how Black Opal stacks up against other well-photographed colors across different brands and tones.
