Storm Warning vs Passageway
Where Storm Warning belongs to Sherwin-Williams's range, Passageway is a Valspar color. Hue-wise, Storm Warning belongs to the grey family and Passageway to the blue-grey family. They have nearly identical light reflectance values (14 vs 14), so they'll read as similarly Dark in most lighting conditions. With a ΔE of 12.0, 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
Storm Warning vs Passageway Simulated Comparison
5 simulated room previews — drag the slider on each to see Storm Warning on one side and Passageway 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 Storm Warning comparisons
See how Storm Warning stacks up against other well-photographed colors across different brands and tones.
