Blue Spa vs Windmill Lane
Where Blue Spa belongs to Benjamin Moore's range, Windmill Lane is a Little Greene color. Blue Spa reads as blue, while Windmill Lane reads as green-grey — two distinct hue families, not close cousins. They have nearly identical light reflectance values (29 vs 31), so they'll read as similarly Medium in most lighting conditions. Blue Spa runs blue while Windmill Lane is decidedly green, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.7, 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 Spa vs Windmill Lane Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Spa 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 Blue Spa comparisons
See how Blue Spa stacks up against other well-photographed colors across different brands and tones.








































