Coastal Storm vs Millstream
Both from Behr's palette. Coastal Storm reads as grey, while Millstream reads as blue — two distinct hue families, not close cousins. Millstream (LRV 61) reflects noticeably more light than Coastal Storm (LRV 21), a difference of 40 points that becomes especially apparent in rooms with limited natural light. Coastal Storm runs green while Millstream is decidedly blue, which means they'll respond very differently to warm vs cool light sources. With a ΔE of 32.1, 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
Coastal Storm vs Millstream Simulated Comparison
5 simulated room previews — drag the slider on each to see Coastal Storm on one side and Millstream 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 Coastal Storm comparisons
See how Coastal Storm stacks up against other well-photographed colors across different brands and tones.








































