Charcoal Blue vs Storm Warning
Charcoal Blue and Storm Warning come from the same Sherwin-Williams collection. Hue-wise, Charcoal Blue belongs to the blue-grey family and Storm Warning to the grey family. The 8-point LRV gap — 14 for Storm Warning vs 6 for Charcoal Blue — means Storm Warning will open up a space more effectively. Where Charcoal Blue leans cool, Storm Warning reads neutral — a distinction that shifts noticeably depending on the light source and surrounding finishes. A ΔE of 18.9 puts these firmly in different territory — two distinct design choices rather than close alternatives. Below, 5 simulated room previews show how each color reads at scale — real-room photos will be added as they become available.
Color Details
Charcoal Blue vs Storm Warning Simulated Comparison
5 simulated room previews — drag the slider on each to see Charcoal Blue on one side and Storm Warning 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 Charcoal Blue comparisons
See how Charcoal Blue stacks up against other well-photographed colors across different brands and tones.








































