Swansdown vs Glacier Bay
Where Swansdown belongs to Dulux's range, Glacier Bay is a Sherwin-Williams color. Both sit in the greige-white family, which is useful context if you're narrowing within a single hue direction. They have nearly identical light reflectance values (76 vs 75), so they'll read as similarly Light in most lighting conditions. Swansdown runs warm while Glacier Bay is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. At ΔE 0.6, 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
Swansdown vs Glacier Bay Simulated Comparison
5 simulated room previews — drag the slider on each to see Swansdown on one side and Glacier Bay 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 Swansdown comparisons
See how Swansdown stacks up against other well-photographed colors across different brands and tones.








































