Sea Urchin 2 vs Treron
Where Sea Urchin 2 belongs to Dulux's range, Treron is a Farrow & Ball color. Sea Urchin 2 reads as blue-grey, while Treron reads as greige-grey — two distinct hue families, not close cousins. Sea Urchin 2 (LRV 28) reflects noticeably more light than Treron (LRV 25), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Sea Urchin 2 runs cool while Treron is decidedly warm, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 15.9, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Sea Urchin 2 vs Treron Simulated Comparison
5 simulated room previews — drag the slider on each to see Sea Urchin 2 on one side and Treron 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 Sea Urchin 2 comparisons
See how Sea Urchin 2 stacks up against other well-photographed colors across different brands and tones.







































