Tranquil Dawn vs Cloud Nine
Where Tranquil Dawn belongs to Dulux's range, Cloud Nine is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Cloud Nine to the white family. Cloud Nine (LRV 78) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 23 points that becomes especially apparent in rooms with limited natural light. Both lean neutral, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 14.1, 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
Tranquil Dawn vs Cloud Nine Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Cloud Nine 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 Tranquil Dawn comparisons
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