Tranquil Dawn vs Ancient Marble
Where Tranquil Dawn belongs to Dulux's range, Ancient Marble is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Ancient Marble to the beige-greige family. Ancient Marble (LRV 60) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Ancient Marble is decidedly warm, which means they'll respond very differently to warm vs cool light sources. The ΔE 7.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Ancient Marble in Real Spaces
1 real room side by side. Tranquil Dawn and Ancient Marble are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Bathroom
Bathrooms are one of the few spaces where you're genuinely enclosed by the paint color, which makes the choice between these two more consequential. Ancient Marble reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Tranquil Dawn vs Ancient Marble Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Ancient Marble 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.
