Costa Rica Blue vs Regale Blue
Costa Rica Blue (Benjamin Moore) and Regale Blue (Sherwin-Williams) come from different manufacturers. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. The 4-point LRV gap — 46 for Costa Rica Blue vs 42 for Regale Blue — means Costa Rica Blue will open up a space more effectively. Where Costa Rica Blue leans blue, Regale Blue reads cool — a distinction that shifts noticeably depending on the light source and surrounding finishes. ΔE 6.6 means they're clearly different, but not dramatically so — they'd pair well in the same room. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Costa Rica Blue vs Regale Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Costa Rica Blue on one side and Regale Blue 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 Costa Rica Blue comparisons
See how Costa Rica Blue stacks up against other well-photographed colors across different brands and tones.








































