Costa Rica Blue vs Ammonite
Costa Rica Blue (Benjamin Moore) and Ammonite (Farrow & Ball) come from different manufacturers. Costa Rica Blue reads as blue, while Ammonite reads as beige-greige — two distinct hue families, not close cousins. The 23-point LRV gap — 69 for Ammonite vs 46 for Costa Rica Blue — means Ammonite will open up a space more effectively. Where Costa Rica Blue leans blue, Ammonite reads warm — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 37.0 puts these firmly in different territory — two distinct design choices rather than close alternatives. 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 Ammonite Simulated Comparison
5 simulated room previews — drag the slider on each to see Costa Rica Blue on one side and Ammonite 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.
