Shark Fin vs Just Walnut
Shark Fin (Behr) and Just Walnut (Dulux) come from different manufacturers. Hue-wise, Shark Fin belongs to the grey family and Just Walnut to the beige-greige family. The 41-point LRV gap — 72 for Just Walnut vs 31 for Shark Fin — means Just Walnut will open up a space more effectively. Where Shark Fin leans green, Just Walnut reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 25.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Shark Fin vs Just Walnut in Real Spaces
1 real room side by side. Seeing Shark Fin and Just Walnut 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
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. Just Walnut reflects noticeably more light off the walls, making the space read more open than Shark Fin.
Color Details
Shark Fin vs Just Walnut Simulated Comparison
5 simulated room previews — drag the slider on each to see Shark Fin on one side and Just Walnut 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 55 vs 31, Tranquil Dawn is decisively the brighter choice.
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.