Shadow Blue vs Celtic Blue
Where Shadow Blue belongs to Behr's range, Celtic Blue is a Benjamin Moore color. Hue-wise, Shadow Blue belongs to the blue family and Celtic Blue to the blue-grey family. Shadow Blue (LRV 44) reflects noticeably more light than Celtic Blue (LRV 0), a difference of 44 points that becomes especially apparent in rooms with limited natural light. Shadow Blue runs blue while Celtic Blue is decidedly cool, which means they'll respond very differently to warm vs cool light sources. At ΔE 1.2, these are close — the kind of difference that matters when choosing between them, but doesn't read strongly in a finished 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
Shadow Blue vs Celtic Blue Simulated Comparison
5 simulated room previews — drag the slider on each to see Shadow Blue on one side and Celtic 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 Shadow Blue comparisons
See how Shadow Blue stacks up against other well-photographed colors across different brands and tones.
