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.
Ammonite reflects far more light (LRV 69 vs 6), opening up a space where Charcoal Blue encloses it.
At LRV 83 vs 6, White Dove is decisively the brighter choice.
Their light reflectance is nearly identical (LRV 6 vs 6), so neither reads brighter in a room.
Purbeck Stone reflects far more light (LRV 52 vs 6), opening up a space where Charcoal Blue encloses it.
Evergreen Fog reflects far more light (LRV 30 vs 6), opening up a space where Charcoal Blue encloses it.
At LRV 52 vs 6, Mizzle is decisively the brighter choice.
Agreeable Gray reflects far more light (LRV 60 vs 6), opening up a space where Charcoal Blue encloses it.
At LRV 58 vs 6, Accessible Beige is decisively the brighter choice.
At LRV 27 vs 6, Denim Drift is decisively the brighter choice.
French Gray reflects far more light (LRV 43 vs 6), opening up a space where Charcoal Blue encloses it.
With LRVs of 6 and 4, the two reflect almost the same amount of light.
At LRV 55 vs 6, Tranquil Dawn is decisively the brighter choice.
A 8-point LRV gap (13 vs 6) makes Bancha the marginally brighter of the two.
At LRV 44 vs 6, Hardwick White is decisively the brighter choice.
Pure White reflects far more light (LRV 84 vs 6), opening up a space where Charcoal Blue encloses it.
Artichoke reflects far more light (LRV 21 vs 6), opening up a space where Charcoal Blue encloses it.
At LRV 66 vs 6, Balboa Mist is decisively the brighter choice.
At LRV 74 vs 6, Shoji White is decisively the brighter choice.
At LRV 83 vs 6, Snowbound is decisively the brighter choice.
Pigeon reflects far more light (LRV 51 vs 6), opening up a space where Charcoal Blue encloses it.
A 6-point LRV gap (12 vs 6) makes Pewter Green the marginally brighter of the two.
Their light reflectance is nearly identical (LRV 8 vs 6), so neither reads brighter in a room.
At LRV 68 vs 6, Skimming Stone is decisively the brighter choice.
Dix Blue reflects far more light (LRV 41 vs 6), opening up a space where Charcoal Blue encloses it.
A 6-point LRV gap (12 vs 6) makes Vintage Vogue the marginally brighter of the two.
At LRV 45 vs 6, Saybrook Sage is decisively the brighter choice.
Pale Green reflects far more light (LRV 31 vs 6), opening up a space where Charcoal Blue encloses it.