Caribbean Azure vs Grey Blue
Caribbean Azure (Benjamin Moore) and Grey Blue (RAL Classic) come from different manufacturers. Hue-wise, Caribbean Azure belongs to the blue family and Grey Blue to the blue-grey family. The 3-point LRV gap — 10 for Caribbean Azure vs 7 for Grey Blue — means Caribbean Azure will open up a space more effectively. A ΔE of 22.2 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Caribbean Azure vs Grey Blue in Real Spaces
1 real room side by side. Seeing Caribbean Azure and Grey Blue in actual rooms makes the difference concrete; browse the spaces below to get a feel for how each color lives on a wall.
Front Door
On a front door, the color is both the first and last thing you see — a context where even a modest tonal difference reads clearly. The distinction reads clearly at room scale, making the choice between them concrete.
Color Details
Caribbean Azure vs Grey Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Caribbean Azure on one side and Grey 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 Caribbean Azure comparisons
See how Caribbean Azure stacks up against other well-photographed colors across different brands and tones.










































