Atrium White vs Tranquil Dawn
Where Atrium White belongs to Benjamin Moore's range, Tranquil Dawn is a Dulux color. Hue-wise, Atrium White belongs to the beige-greige family and Tranquil Dawn to the green-grey family. Atrium White (LRV 85) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 30 points that becomes especially apparent in rooms with limited natural light. Atrium White runs warm while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.8, 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
Atrium White vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Atrium White on one side and Tranquil Dawn 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 Atrium White comparisons
See how Atrium White stacks up against other well-photographed colors across different brands and tones.








































