Tranquil Dawn vs September Morn
Tranquil Dawn (Dulux) and September Morn (PPG) come from different manufacturers. Hue-wise, Tranquil Dawn belongs to the green-grey family and September Morn to the beige-yellow family. The 21-point LRV gap — 76 for September Morn vs 55 for Tranquil Dawn — means September Morn will open up a space more effectively. A ΔE of 25.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. 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 September Morn Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and September Morn 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
See how Tranquil Dawn stacks up against other well-photographed colors across different brands and tones.







































