Ultra Pure White vs UltraWhite
Where Ultra Pure White belongs to Behr's range, UltraWhite is a Sherwin-Williams color. These are both white-yellows, so the question isn't which hue to choose — it's where within white-yellow to land. They have nearly identical light reflectance values (94 vs 94), so they'll read as similarly Light in most lighting conditions. Ultra Pure White runs yellow while UltraWhite is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. At ΔE 0.8, 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
Ultra Pure White vs UltraWhite Simulated Comparison
5 simulated room previews — drag the slider on each to see Ultra Pure White on one side and UltraWhite 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 Ultra Pure White comparisons
See how Ultra Pure White stacks up against other well-photographed colors across different brands and tones.








































