Blue Echo vs S 3005-B20G
Where Blue Echo belongs to Behr's range, S 3005-B20G is a NCS color. Blue Echo reads as blue, while S 3005-B20G reads as blue-grey — two distinct hue families, not close cousins. Blue Echo (LRV 43) reflects noticeably more light than S 3005-B20G (LRV 40), a difference of 3 points that becomes especially apparent in rooms with limited natural light. Blue Echo runs blue while S 3005-B20G is decidedly neutral, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 13.4, the contrast is hard to miss. These aren't variations on a theme — they're two different answers to the same question. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Blue Echo vs S 3005-B20G Simulated Comparison
5 simulated room previews — drag the slider on each to see Blue Echo 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 Blue Echo comparisons
See how Blue Echo stacks up against other well-photographed colors across different brands and tones.








































