Seagull Gray vs Tranquil Dawn
Seagull Gray (Behr) and Tranquil Dawn (Dulux) come from different manufacturers. Hue-wise, Seagull Gray belongs to the greige-grey family and Tranquil Dawn to the green-grey family. The 14-point LRV gap — 69 for Seagull Gray vs 55 for Tranquil Dawn — means Seagull Gray will open up a space more effectively. Where Seagull Gray leans yellow, Tranquil Dawn reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 8.9 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below you'll find 3 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Seagull Gray vs Tranquil Dawn in Real Spaces
3 real rooms side by side. Seagull Gray and Tranquil Dawn 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
A living room wall sees more varied light than almost any other surface in the house, which makes the choice between these two more nuanced than a chip suggests. Seagull Gray reflects noticeably more light off the walls, making the space read more open than Tranquil Dawn.
Bedroom
Bedrooms are typically lit with warmer, lower light than the rest of the house — a condition that flatters warm tones and deepens cool ones. Seagull Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Bathroom
Small bathrooms intensify color. A shade that seems quiet in a larger room can feel immersive when you're surrounded by it on four walls. Seagull Gray returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
Color Details
Seagull Gray vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Seagull Gray on one side and Tranquil Dawn 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 Seagull Gray comparisons
See how Seagull Gray stacks up against other well-photographed colors across different brands and tones.














































