Window Pane vs Spa
Where Window Pane belongs to Sherwin-Williams's range, Spa is a Tikkurila color. Hue-wise, Window Pane belongs to the green-grey family and Spa to the green family. They have nearly identical light reflectance values (72 vs 74), so they'll read as similarly Light in most lighting conditions. At ΔE 2.1, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Window Pane vs Spa Simulated Comparison
5 simulated room previews — drag the slider on each to see Window Pane on one side and Spa 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 Window Pane comparisons
See how Window Pane stacks up against other well-photographed colors across different brands and tones.
