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Smokestack Gray 2131-40
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: Noticeable blue-green undertone
In CIELAB, Smokestack Gray sits at L* 53.3, a* -4.7, b* -4.7. Its hue angle is 225° and its chroma is 6.6, so it leans blue-green clearly enough to notice on a full wall. It classifies as cool. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 16%.
LRV 22.8: dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 22.8, Smokestack Gray is lighter than 24% of Benjamin Moore colors. Absorbs most light. Good for accent walls, cabinets, doors and exteriors; needs good lighting indoors.
Closest Sherwin-Williams match to Smokestack Gray
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Blustery Sky | SW 9140 | 1.94 | Very close | |
| Foggy Day | SW 6235 | 3.02 | Close — difference visible side by side | |
| Scattered Showers | SW 9559 | 3.71 | Close — difference visible side by side |
Closest Behr match to Smokestack Gray
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Courtyard Blue | BXC-48 | 0.90 | Practically identical | |
| Atlantic Shoreline | PPU13-04 | 1.53 | Very close | |
| Atlantic Shoreline | PPU13-4 | 1.53 | Very close |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Montpelier | AF-555 | 1.44 | Very close | |
| Wetherburn's Blue | CW-580 | 2.89 | Close — difference visible side by side | |
| Templeton Gray | HC-161 | 3.02 | Close — difference visible side by side | |
| Steep Cliff Gray | 2122-20 | 3.10 | Close — difference visible side by side | |
| Apollo Blue | CW-645 | 3.25 | Close — difference visible side by side | |
| Gray Pinstripe | 1588 | 3.33 | Close — difference visible side by side |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Georgetown Gray ES-77 · lighter, LRV 23.6
- Shaker Gray 1594 · lighter, LRV 25.9
- Avalon CC-756 · lighter, LRV 26.4
- Porch Swing CSP-750 · darker, LRV 20.4
- Steep Cliff Gray 2122-20 · darker, LRV 20.5
- Eclipse 2132-40 · darker, LRV 20.0
Colors that go with Smokestack Gray
Color-theory pairings — the nearest Benjamin Moore color to each rotated hue, keeping the same lightness and saturation:
- Smoked Oyster 2109-40 · complementary (180°)
- Apollo Blue CW-645 · analogous (−30°)
- Black Pepper 2130-40 · analogous (+30°)
- Frozen in Time 1448 · triadic (120°)
- Gunsmith Gray CW-65 · triadic (240°)
Smokestack Gray vs popular colors
- Aegean Teal (Benjamin Moore 2136-40, ΔE 4.7) is lighter (LRV 25.1 vs 22.8), more green, more saturated.
- Amherst Gray (Benjamin Moore HC-167, ΔE 8.9) is darker (LRV 18.8 vs 22.8), more yellow/warm, more red/pink, more muted.
- Gauntlet Gray (Sherwin-Williams SW 7019, ΔE 11.2) is darker (LRV 17.4 vs 22.8), more yellow/warm, more red/pink, more muted.