Boca Raton Blue vs Sea Urchin 3
Boca Raton Blue is a Benjamin Moore color while Sea Urchin 3 comes from Dulux. These are both blues, so the question isn't which hue to choose — it's where within blue to land. At LRV 40 vs 35, Sea Urchin 3 will read as the brighter of the two — a 5-point gap that matters most in north-facing or low-light rooms. The tonal difference — Boca Raton Blue's blue character against Sea Urchin 3's cool — becomes most visible against white trim or in morning light. At ΔE 3.8, the difference is perceptible but not dramatic — the two can work harmoniously in the same space. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Boca Raton Blue vs Sea Urchin 3 in Real Spaces
1 real room side by side. Boca Raton Blue and Sea Urchin 3 are close enough that the difference can be hard to judge from a chip alone — these photos show how each reads at scale, across different spaces and lighting conditions.
Living Room
Living rooms test a color across a full range of conditions — morning sun, afternoon shade, and evening lamp light all shift how both of these read. Sea Urchin 3 has the edge in reflectance, which shows as a quiet sense of added space rather than an obvious contrast.
Color Details
Boca Raton Blue vs Sea Urchin 3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Boca Raton Blue on one side and Sea Urchin 3 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 Boca Raton Blue comparisons
See how Boca Raton Blue stacks up against other well-photographed colors across different brands and tones.
