Tranquil Dawn vs Lounge Green
Where Tranquil Dawn belongs to Dulux's range, Lounge Green is a Sherwin-Williams color. Hue-wise, Tranquil Dawn belongs to the green-grey family and Lounge Green to the green family. Tranquil Dawn (LRV 55) reflects noticeably more light than Lounge Green (LRV 36), a difference of 19 points that becomes especially apparent in rooms with limited natural light. Tranquil Dawn runs neutral while Lounge Green is decidedly cool, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 23.5, 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 Lounge Green in Real Spaces
2 real rooms side by side. Seeing Tranquil Dawn and Lounge Green in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Dining Room
A dining room lit by a dimmed pendant or candles is one of the most forgiving environments for paint — warm light softens almost everything. Tranquil Dawn returns significantly more light to the room — in a smaller or darker space, that difference in perceived brightness is hard to miss.
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. Tranquil Dawn reflects noticeably more light off the walls, making the space read more open than Lounge Green.
Color Details
Tranquil Dawn vs Lounge Green Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Lounge Green 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.
