Florida Keys Blue vs Sea Urchin 3
Where Florida Keys Blue belongs to Benjamin Moore's range, Sea Urchin 3 is a Dulux color. These are both blues, so the question isn't which hue to choose — it's where within blue to land. Sea Urchin 3 (LRV 40) reflects noticeably more light than Florida Keys Blue (LRV 35), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Florida Keys Blue runs blue while Sea Urchin 3 is decidedly cool, which means they'll respond very differently to warm vs cool light sources. The ΔE 9.2 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
Florida Keys Blue vs Sea Urchin 3 Simulated Comparison
5 simulated room previews — drag the slider on each to see Florida Keys 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 Florida Keys Blue comparisons
See how Florida Keys Blue stacks up against other well-photographed colors across different brands and tones.
