Thunder Clouds vs Tranquil Dawn
Both from Dulux's palette. Hue-wise, Thunder Clouds belongs to the grey family and Tranquil Dawn to the green-grey family. Tranquil Dawn (LRV 55) reflects noticeably more light than Thunder Clouds (LRV 17), a difference of 38 points that becomes especially apparent in rooms with limited natural light. Both lean neutral, so they'll behave similarly in mixed or changing light conditions. With a ΔE of 34.0, 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 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Thunder Clouds vs Tranquil Dawn in Real Spaces
1 real room side by side. Seeing Thunder Clouds and Tranquil Dawn 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.
Color Details
Thunder Clouds vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Thunder Clouds 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 Thunder Clouds comparisons
See how Thunder Clouds stacks up against other well-photographed colors across different brands and tones.










































