Tranquil Dawn vs Serenely
Where Tranquil Dawn belongs to Dulux's range, Serenely is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Serenely to the blue-grey family. Serenely (LRV 66) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 11 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Serenely is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 8.4 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Serenely in Real Spaces
3 real rooms side by side. Tranquil Dawn and Serenely 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 LRV gap is large enough that Serenely will make the room feel meaningfully brighter than Tranquil Dawn would.
Bedroom
The context that matters most in a bedroom is how a color reads under a bedside lamp at night, not under noon daylight. Serenely reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
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. Serenely reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Color Details
Tranquil Dawn vs Serenely Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Serenely 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.
