Thundercloud Gray
2124-40 · #B8BDC0 · LRV 50 — cool blue tone, light — bounces daylight without going clinical.
What Color Is Thundercloud Gray, Really?
Thundercloud Gray reads as a cool blue tone — light — bounces daylight without going clinical. The notes below cover how Benjamin Moore 2124-40 behaves in different light and the closest matches at competing US brands.
Best Rooms and Uses for Thundercloud Gray
Thundercloud Gray is an easy whole-room color for living spaces and bedrooms, and light enough to carry onto trim or a ceiling if you want a soft, seamless look. Grays like this read as a modern neutral and sit comfortably alongside both warm woods and cool metals.
How Lighting Changes Thundercloud Gray
At LRV 50, Thundercloud Gray is a light color that bounces daylight around a room without tipping into stark white. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. It holds its undertone in most exposures, which is what makes light shades like this so forgiving room to room.
Most complaints about Thundercloud Gray are a light mismatch. Upload a photo of your actual room and see it on your walls — then ask for the same wall in north light or evening lamps before you buy a single sample.
Need It From Another Brand?
Any paint counter can custom-tint Benjamin Moore 2124-40 directly. If you would rather stay in one brand's own deck, these are the closest stock matches, measured as ΔE2000. Under 2 is a difference you will not see on the wall.
| Brand | Closest color | ΔE | LRV | |
|---|---|---|---|---|
| Sherwin-Williams | Samovar SilverSW 6233 · Sherwin-Williams | 1.9 | 51 | Color page → |
| Behr | Distant StarMQ5-31 · Behr | 0.9 | 51 | Color page → |
| Valspar | Shark Loop4007-3B · Valspar | 3.0 | 50.8 | Color page → |
| PPG / Glidden | Gray FrostPPG1012-4 · PPG / Glidden | 1.0 | 51 | Color page → |
| Glidden | Gray FrostPPG1012-4 · Glidden | 1.0 | 51 | Color page → |
| Dutch Boy | Elephant Trunk436-3DB · Dutch Boy | 1.3 | 51 | Color page → |
Similar Benjamin Moore Colors
The nearest shades to Thundercloud Gray within Benjamin Moore's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
WCAG 2.1: AA is 4.5 : 1 for normal text, 3 : 1 for large text, AAA is 7 : 1.
Coordinated palette
Generated by hue-rotating #B8BDC0 in HSL space. Pair Thundercloud Gray with one accent and one neutral — the swatches below are starting points, not final picks.
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