Tranquil Dawn vs Seaworthy
Where Tranquil Dawn belongs to Dulux's range, Seaworthy is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Seaworthy to the blue family. Tranquil Dawn (LRV 55) reflects noticeably more light than Seaworthy (LRV 7), a difference of 48 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Seaworthy is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 49.2, 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 Seaworthy in Real Spaces
2 real rooms side by side. Seeing Tranquil Dawn and Seaworthy in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
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 reflects noticeably more light off the walls, making the space read more open than Seaworthy.
Kitchen Cabinets
Kitchen cabinets are constantly compared against adjacent materials, which means subtle differences between these two become much more visible. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Seaworthy.
Color Details
Tranquil Dawn vs Seaworthy Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Seaworthy 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.
