Tranquil Dawn vs Austere Gray
Tranquil Dawn (Dulux) and Austere Gray (Sherwin-Williams) come from different manufacturers. Hue-wise, Tranquil Dawn belongs to the green-grey family and Austere Gray to the greige-grey family. The 4-point LRV gap — 55 for Tranquil Dawn vs 51 for Austere Gray — means Tranquil Dawn will open up a space more effectively. Both share a neutral character, which means they'll respond to light and surrounding materials in similar ways. A ΔE of 2.7 puts them in subtle territory — distinguishable in direct comparison, less so from across a room. Below you'll find 5 real-room photo comparisons where both colors appear side by side, plus 5 simulated room previews.
Tranquil Dawn vs Austere Gray in Real Spaces
5 real rooms side by side. Tranquil Dawn and Austere Gray 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. Tranquil Dawn reads slightly lighter here — a subtle but real difference in how open the space feels.
Kitchen
Kitchens often have the harshest, most revealing light in the house — under-cabinet LEDs and overhead fixtures that strip away subtlety. Tranquil Dawn has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
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. Tranquil Dawn has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Mudroom
In a hardworking space like a mudroom, the depth and warmth of a color reads differently than in a quieter room. The brightness difference is modest but present — Tranquil Dawn gives the walls a little more lift.
Kitchen Cabinets
Cabinet color is always seen in context — against countertops, backsplash, and hardware — which amplifies undertone differences that might disappear on a plain wall. Tranquil Dawn has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Tranquil Dawn vs Austere Gray Simulated Comparison
5 simulated room previews — drag the slider on each to see Tranquil Dawn on one side and Austere Gray 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.


















































