Color spec
| Brand | Benjamin Moore |
| Name | Charcoal Slate |
| SKU | HC-178 |
| Hex | #646769 |
| RGB | 100, 103, 105 |
| HSL | 204°, 2%, 40% |
| LRV | 13 |
| Undertone | neutral with no strong undertone |
| Family | Gray |
About Benjamin Moore Charcoal Slate
With an LRV of 13, Charcoal Slate is a deep, dramatic shade. It soaks up light in north-facing rooms and looks richest where strong daylight hits it. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. Warm artificial light softens it; cool LED can make it look flat, so match your bulbs to the mood you want.
Charcoal Slate works best as a feature — a single wall, built-ins, a study or dining room — rather than wrapping a whole bright space. Grays like this read as a modern neutral and sit comfortably alongside both warm woods and cool metals.
Closest matches by brand
15 brands within ΔE 5The closest matches per brand by ΔE2000, computed against each brand's full deck. Only colors within ΔE 5 (close enough to substitute on a wall) are shown — brands with no real match are left off. Tap any swatch for its full single-color spec; tap the brand title to browse all gray from that brand.
Sherwin-Williams
Behr
Valspar
PPG / Glidden
Glidden
Dutch Boy
HGTV Home by Sherwin-Williams
Dunn-Edwards
Magnolia Home
Farrow & Ball
Diamond Vogel
Hirshfield's
Rodda
C2 Paint
Kompozit
Similar Benjamin Moore colors
closest in the Benjamin Moore deckThe nearest shades to Charcoal Slate within Benjamin Moore's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #646769 in HSL space. Pair Charcoal Slate with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
Benjamin Moore Charcoal Slate Equivalents at Other Brands
Matching Charcoal Slate from a different paint counter? Below is the single closest color in each major US deck and how close it really is. Remember that any paint store can also custom-tint Benjamin Moore HC-178 directly — these equivalents are for when you'd rather stay inside one brand's own deck.
Sherwin-Williams Equivalent of Charcoal Slate
Sherwin-Williams's nearest match is Web Gray (SW 7075), visually identical in normal room light (ΔE 1.16). It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone, so it substitutes for Charcoal Slate without repainting risk. See the full Web Gray swatch →
Behr Equivalent of Charcoal Slate
At Behr, the closest color to Charcoal Slate is Cordite (HDC-MD-28) — very close at ΔE 2.38, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Cordite swatch →
Valspar Equivalent of Charcoal Slate
At Valspar, the closest color to Charcoal Slate is Ocean Storm (4004-2B) — very close at ΔE 3.01, though not an exact twin. It sits at the same lightness (LRV 13.3 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Ocean Storm swatch →
PPG / Glidden Equivalent of Charcoal Slate
At PPG / Glidden, the closest color to Charcoal Slate is Lava Gray (PPG1038-6) — very close at ΔE 3.45, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a cool blue undertone; sample both side by side if the room gets strong natural light. See the full Lava Gray swatch →
Glidden Equivalent of Charcoal Slate
At Glidden, the closest color to Charcoal Slate is Dark Grey Silk (30BB 13/034) — very close at ΔE 2.47, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Dark Grey Silk swatch →
Dutch Boy Equivalent of Charcoal Slate
At Dutch Boy, the closest color to Charcoal Slate is Steeled Blue (430-7DB) — very close at ΔE 3.33, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a cool blue-green undertone; sample both side by side if the room gets strong natural light. See the full Steeled Blue swatch →
HGTV Home by Sherwin-Williams Equivalent of Charcoal Slate
HGTV Home by Sherwin-Williams's nearest match is Web Gray (HGSW 1462), visually identical in normal room light (ΔE 1.16). It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone, so it substitutes for Charcoal Slate without repainting risk. See the full Web Gray swatch →
Dunn-Edwards Equivalent of Charcoal Slate
Dunn-Edwards's nearest match is Pointed Rock (DE6363), visually identical in normal room light (ΔE 1.25). It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone, so it substitutes for Charcoal Slate without repainting risk. See the full Pointed Rock swatch →
Magnolia Home Equivalent of Charcoal Slate
At Magnolia Home, the closest color to Charcoal Slate is Ridge Rock (JG-170) — very close at ΔE 3.02, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Ridge Rock swatch →
Farrow & Ball Equivalent of Charcoal Slate
At Farrow & Ball, the closest color to Charcoal Slate is Down Pipe (NO. 26) — very close at ΔE 2.74, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Down Pipe swatch →
Diamond Vogel Equivalent of Charcoal Slate
At Diamond Vogel, the closest color to Charcoal Slate is Zen Retreat (0535) — very close at ΔE 2.03, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Zen Retreat swatch →
Hirshfield's Equivalent of Charcoal Slate
Hirshfield's's nearest match is Polished Pewter (H0148), visually identical in normal room light (ΔE 1.41). It sits at the same lightness (LRV 14 vs 13) and carries a true neutral undertone, so it substitutes for Charcoal Slate without repainting risk. See the full Polished Pewter swatch →
Rodda Equivalent of Charcoal Slate
At Rodda, the closest color to Charcoal Slate is Midnight Surf (R095) — very close at ΔE 3.14, though not an exact twin. It sits at the same lightness (LRV 13 vs 13) and carries a cool blue-green undertone; sample both side by side if the room gets strong natural light. See the full Midnight Surf swatch →
C2 Paint Equivalent of Charcoal Slate
The closest C2 Paint equivalent of Charcoal Slate is Vault (C2-966). At ΔE 0.82 the two are indistinguishable on a wall — it carries the same true neutral undertone and sits at the same lightness (LRV 14 vs 13). If C2 Paint is your counter, order Vault and you'll get the same color. See the full Vault swatch →
Kompozit Equivalent of Charcoal Slate
Kompozit's nearest match is Greybeard (0528), visually identical in normal room light (ΔE 1.87). It sits at the same lightness (LRV 14 vs 13) and carries a true neutral undertone, so it substitutes for Charcoal Slate without repainting risk. See the full Greybeard swatch →