Tranquil Dawn vs Slumber Sloth
Tranquil Dawn (Dulux) and Slumber Sloth (Sherwin-Williams) come from different manufacturers. Hue-wise, Tranquil Dawn belongs to the green-grey family and Slumber Sloth to the beige-greige family. Their light reflectance values are nearly the same — 55 vs 56 — so neither will read significantly brighter or darker than the other. Where Tranquil Dawn leans neutral, Slumber Sloth reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 6.5 means they're clearly different, but not dramatically so — they'd pair well in the same 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
Tranquil Dawn vs Slumber Sloth Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Slumber Sloth 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.








































