Tranquil Dawn vs Clean Slate
Tranquil Dawn (Dulux) and Clean Slate (Sherwin-Williams) come from different manufacturers. Tranquil Dawn reads as green-grey, while Clean Slate reads as blue-green — two distinct hue families, not close cousins. The 21-point LRV gap — 76 for Clean Slate vs 55 for Tranquil Dawn — means Clean Slate will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 12.9 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 Clean Slate Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Clean Slate 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.








































