Tranquil Dawn vs Windy Blue
Where Tranquil Dawn belongs to Dulux's range, Windy Blue is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Windy Blue to the blue family. Tranquil Dawn (LRV 55) reflects noticeably more light than Windy Blue (LRV 48), a difference of 7 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Windy Blue is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 12.7, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below you'll find 2 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Windy Blue in Real Spaces
2 real rooms side by side. Seeing Tranquil Dawn and Windy Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The brightness difference is modest but present — Tranquil Dawn gives the walls a little more lift.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Tranquil Dawn reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Tranquil Dawn vs Windy Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Windy Blue 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.












































