Charcoal Slate (BM PM-8)
Illustrative room. Screen colors vary; test a sample before you paint.
Charcoal Slate (BM PM-8) is a very deep, neutral gray from Benjamin Moore: LRV 12.7, so it reflects about 13 percent of the light that hits it.
Colors that go with Charcoal Slate
Four Benjamin Moore colors picked for Charcoal Slate by this site's color math: a trim white, a deeper gray, a quiet contrast from another family, a dark accent. Benjamin Moore did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Charcoal Slate, 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 | Web Gray | SW 7075 | 13 | 1.2 | very close |
| Behr | Imperial Gray | PPU26-02 | 14.2 | 1.7 | very close |
| Valspar | High-Speed Steel | 4005-2B | 15 | 2.8 | noticeably different |
| PPG Paints | Lava Gray | 1038-6 | 13 | 3.3 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore gray colors nearest to Charcoal Slate (LRV 12.7) by LRV.
Lighter than Charcoal Slate
Darker than Charcoal Slate
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | PM-8 |
| Hex | #646769 |
| RGB | 100, 103, 105 |
| HSL | 204°, 2%, 40% |
| LRV (light reflectance value) | 12.7 |
| Lab L*, a*, b* | 43.4, -0.7, -1.5 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Charcoal Slate (BM PM-8), published as #646769
#545E67
#747069
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Benjamin Moore
More from Benjamin Moore
Common questions
- What is the LRV of Charcoal Slate (BM PM-8)?
- Charcoal Slate has an LRV of 12.7. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Charcoal Slate is a very deep color.
- What is the closest match to Charcoal Slate in another brand?
- Web Gray (SW 7075) from Sherwin-Williams, at a deltaE of 1.2 (very close).
- Is Charcoal Slate warm or cool?
- Benjamin Moore lists Charcoal Slate as neutral, with a Neutral undertone. Its Lab b* value is -1.5; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: LRV and hex as published by the manufacturer, via PaintDB (CC BY 4.0). 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.