Tranquil Dawn vs Slow Green
Where Tranquil Dawn belongs to Dulux's range, Slow Green is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Slow Green to the green family. Slow Green (LRV 64) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 9 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Slow Green is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 6.7 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 Slow Green in Real Spaces
1 real room side by side. Tranquil Dawn and Slow Green 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.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Slow Green returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Tranquil Dawn vs Slow Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Slow Green 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.
