Tranquil Dawn vs Tidewater
Where Tranquil Dawn belongs to Dulux's range, Tidewater is a Sherwin-Williams color. Tranquil Dawn reads as green-grey, while Tidewater reads as blue — two distinct hue families, not close cousins. Tidewater (LRV 65) reflects noticeably more light than Tranquil Dawn (LRV 55), a difference of 10 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Tidewater is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 8.6 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 Tidewater in Real Spaces
4 real rooms side by side. Tranquil Dawn and Tidewater 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 Tidewater 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. Tidewater reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
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. Tidewater reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Tidewater reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Color Details
Tranquil Dawn vs Tidewater Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Tidewater 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.
