Tranquil Dawn vs North Star
Where Tranquil Dawn belongs to Dulux's range, North Star is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and North Star to the blue-grey family. North Star (LRV 62) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 7 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while North Star is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 8.1 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 4 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs North Star in Real Spaces
4 real rooms side by side. Tranquil Dawn and North Star 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.
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 — North Star 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. North Star reads slightly lighter here — a subtle but real difference in how open the space feels.
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. North Star reads slightly lighter here — a subtle but real difference in how open the space feels.
Home Office
The test for a home office color isn't how it looks in a quick glance — it's whether it still feels right after a full day of work. North Star reads slightly lighter here — a subtle but real difference in how open the space feels.
Color Details
Tranquil Dawn vs North Star Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and North Star 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.
