Shark Fin vs Tranquil Dawn
Where Shark Fin belongs to Behr's range, Tranquil Dawn is a Dulux color. Shark Fin reads as grey, while Tranquil Dawn reads as green-grey — two distinct hue families, not close cousins. Tranquil Dawn (LRV 55) reflects noticeably more light than Shark Fin (LRV 31), a difference of 24 points that becomes especially apparent in rooms with limited natural light. Shark Fin runs green while Tranquil Dawn is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 16.4, 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.
Shark Fin vs Tranquil Dawn in Real Spaces
1 real room side by side. Seeing Shark Fin 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.
Living Room
In a living room, color works across both daylight and evening light — the same wall can read very differently at noon and at 8pm. The LRV gap is large enough that Tranquil Dawn will make the room feel meaningfully brighter than Shark Fin would.
Color Details
Shark Fin vs Tranquil Dawn Simulated Comparison
5 simulated room previews — drag the slider on each to see Shark Fin 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 Shark Fin comparisons
See how Shark Fin stacks up against other well-photographed colors across different brands and tones.
At LRV 83 vs 31, White Dove is decisively the brighter choice.
Purbeck Stone reflects far more light (LRV 52 vs 31), opening up a space where Shark Fin encloses it.
With LRVs of 31 and 30, the two reflect almost the same amount of light.
Agreeable Gray reflects far more light (LRV 60 vs 31), opening up a space where Shark Fin encloses it.
At LRV 58 vs 31, Accessible Beige is decisively the brighter choice.
A 4-point LRV gap (31 vs 27) makes Shark Fin the marginally brighter of the two.
French Gray reflects far more light (LRV 43 vs 31), opening up a space where Shark Fin encloses it.
At LRV 44 vs 31, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 31), opening up a space where Shark Fin encloses it.
At LRV 66 vs 31, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 31, Shoji White is decisively the brighter choice.
At LRV 31 vs 12, Shark Fin is decisively the brighter choice.
At LRV 68 vs 31, Skimming Stone is decisively the brighter choice.
At LRV 31 vs 12, Shark Fin is decisively the brighter choice.
At LRV 45 vs 31, Saybrook Sage is decisively the brighter choice.
With LRVs of 31 and 31, the two reflect almost the same amount of light.
Shark Fin reflects far more light (LRV 31 vs 7), opening up a space where Pine Needle encloses it.
Shark Fin reads slightly lighter (LRV 31 vs 24), a gap that shows most in low-lit rooms.
Guilford Green reflects far more light (LRV 57 vs 31), opening up a space where Shark Fin encloses it.
Just Walnut reflects far more light (LRV 72 vs 31), opening up a space where Shark Fin encloses it.