Atlantic Shoreline vs Coastal Blue
Atlantic Shoreline is a Behr color while Coastal Blue comes from Jotun. These are both blue-greys, so the question isn't which hue to choose — it's where within blue-grey to land. With LRVs of 21 and 19, they'll behave almost identically in terms of how much light they reflect back into a room. The tonal difference — Atlantic Shoreline's blue character against Coastal Blue's cool — becomes most visible against white trim or in morning light. With a ΔE of 2.0, the difference is subtle — you'd need them side by side to reliably tell them apart. Below you'll find 1 real-room photo comparison where both colors appear side by side, plus 5 simulated room previews.
Atlantic Shoreline vs Coastal Blue in Real Spaces
1 real room side by side. Atlantic Shoreline and Coastal 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.
Bedroom
Bedroom walls are often seen under warm artificial light, a context that shifts both colors from how they look on a chip. The two are close enough that the choice comes down to finer qualities — undertone, texture, what the color sits next to.
Color Details
Atlantic Shoreline vs Coastal Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Atlantic Shoreline on one side and Coastal 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 Atlantic Shoreline comparisons
See how Atlantic Shoreline stacks up against other well-photographed colors across different brands and tones.










































