Intercoastal Gray vs S 3005-B20G
Where Intercoastal Gray belongs to Behr's range, S 3005-B20G is a NCS color. Both sit in the blue-grey family, which is useful context if you're narrowing within a single hue direction. Intercoastal Gray (LRV 45) reflects noticeably more light than S 3005-B20G (LRV 40), a difference of 5 points that becomes especially apparent in rooms with limited natural light. Intercoastal Gray runs blue while S 3005-B20G is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. The ΔE 4.6 gap is real but not dramatic — close enough to use together, distinct enough to matter as a choice. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Intercoastal Gray vs S 3005-B20G Simulated Comparison
5 simulated room previews — drag the slider on each to see Intercoastal Gray on one side and S 3005-B20G 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 Intercoastal Gray comparisons
See how Intercoastal Gray stacks up against other well-photographed colors across different brands and tones.
