Athens Blue vs Sky blue
Athens Blue is a Benjamin Moore color while Sky blue comes from RAL Classic. Both sit in the blue family, which is useful context if you're narrowing within a single hue direction. With LRVs of 19 and 19, they'll behave almost identically in terms of how much light they reflect back into a room. At ΔE 9.8, 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.
Athens Blue vs Sky blue in Real Spaces
1 real room side by side. Athens Blue and Sky blue 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.
Front Door
Front doors are seen in isolation against the rest of the facade, which makes them a high-stakes surface where even subtle differences matter. At this scale, the choice between them becomes clear in a way that a swatch alone can't communicate.
Color Details
Athens Blue vs Sky blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Athens Blue on one side and Sky 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 Athens Blue comparisons
See how Athens Blue stacks up against other well-photographed colors across different brands and tones.










































