Coal Mine (Behr N540-7)
Illustrative room. Screen colors vary; test a sample before you paint.
Coal Mine (Behr N540-7) is a very deep, neutral gray from Behr: LRV 9.2, so it reflects about 9 percent of the light that hits it.
Colors that go with Coal Mine
Three Behr colors picked for Coal Mine by this site's color math: a trim white, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Coal Mine, ranked by CIEDE2000 (deltaE): under 1.0 is indistinguishable, 1.0 to 2.3 very close, 2.3 to 5 noticeably different, over 5 clearly different.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Mineral Gray | SW 2740 | 9 | 2.8 | noticeably different |
| Benjamin Moore | Almost Black | 2130-30 | 9.3 | 2.9 | noticeably different |
| Valspar | Hematite | 4006-2C | 10 | 2.7 | noticeably different |
| PPG Paints | Gray Flannel | 1013-6 | 10 | 1.5 | very close |
Lighter and darker in Behr
The Behr gray colors nearest to Coal Mine (LRV 9.2 (estimated)) by LRV.
Lighter than Coal Mine
Darker than Coal Mine
Color data
| Brand | Behr |
|---|---|
| Color code | N540-7 |
| Hex | #54555D |
| RGB | 84, 85, 93 |
| HSL | 233°, 5%, 35% |
| LRV (light reflectance value) | 9.2 (estimated from the hex) |
| Lab L*, a*, b* | 36.3, 1.4, -4.8 |
| Undertone | Cool |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Coal Mine (Behr N540-7), published as #54555D
#444C5B
#645E5D
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Coal Mine (Behr N540-7)?
- Coal Mine has an LRV of 9.2 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Coal Mine is a very deep color.
- What is the closest match to Coal Mine in another brand?
- Gray Flannel (PPG 1013-6) from PPG Paints, at a deltaE of 1.5 (very close).
- Is Coal Mine warm or cool?
- Behr lists Coal Mine as neutral, with a Cool undertone. Its Lab b* value is -4.8; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. Color differences are CIEDE2000 values computed by this site from the hex values (data snapshot 2026-10-01). Color names and codes belong to their manufacturers.