Tower Bridge vs Sea Urchin 2
Where Tower Bridge belongs to Behr's range, Sea Urchin 2 is a Dulux color. Hue-wise, Tower Bridge belongs to the blue family and Sea Urchin 2 to the blue-grey family. They have nearly identical light reflectance values (30 vs 28), so they'll read as similarly Medium in most lighting conditions. Tower Bridge runs blue while Sea Urchin 2 is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 4.6 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Tower Bridge vs Sea Urchin 2 Simulated Comparison
5 simulated room previews — drag the slider on each to see Tower Bridge on one side and Sea Urchin 2 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 Tower Bridge comparisons
See how Tower Bridge stacks up against other well-photographed colors across different brands and tones.








































