Charcoal Slate
HC-178 by Benjamin Moore
Also sold as PM-8
Hex #646769 · LRV 14.51 · neutral gray
How popular is Charcoal Slate?
Searches per month · USAbout 740 searches a month in the USDown 19% on the previous 12 months.
Google search volume for “Benjamin Moore Charcoal Slate” and its code, averaged over the 12 months to September 2026; pulled 2026-10-15. An estimate, not a census. How we measure
Try Charcoal Slate on your own room
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About Charcoal Slate
Charcoal Slate is a sophisticated, medium gray with neutral undertones. This balanced shade has an LRV of 14.51 and absorbs most light, making it ideal for creating intimate, cozy atmospheres or as an accent.
Benjamin Moore also lists this same color under code PM-8.
One shade lighter or darker
The nearest Benjamin Moore colors with the same hue and saturation as Charcoal Slate, a visible step lighter or darker.
Color Specifications
- Name
- Charcoal Slate
- Brand
- Benjamin Moore
- Code
- HC-178
- Hex
- #646769
- RGB
- 100, 103, 105
- HSL
- 204, 2%, 40%
- CMYK
- 5, 2, 0, 59Approximate — screen to print
- Lab
- 43.4, -0.7, -1.5
- CSS
- --benjamin-moore-charcoal-slate
- LRV
- 14.51 (Dark)
- Undertone
- Neutral
- Temperature
- neutral
- Family
- gray
- Interior
- Yes
- Exterior
- Yes
- Finishes
- flatmatteeggshellsatinsemi-glosshigh-gloss
Similar Colors & Cross-Brand Matches
Ranked by Delta E 2000. Under 1.0 looks the same on the wall.