Mopboard Black (BM CW-680)
Illustrative room. Screen colors vary; test a sample before you paint.
Mopboard Black (BM CW-680) is a very deep, neutral black from Benjamin Moore: LRV 6.2, so it reflects about 6 percent of the light that hits it.
Colors that go with Mopboard Black
Three Benjamin Moore colors picked for Mopboard Black by this site's color math: a trim white, 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 Mopboard Black, 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 | Greenblack | SW 6994 | 4 | 1.6 | very close |
| Behr | Raven Black | PPF-59 | 4.7 | 1.9 | very close |
| Valspar | Dark Kettle Black | 4011-2 | 5 | 3.0 | noticeably different |
| PPG Paints | Black Magic | 1001-7 | 5 | 3.0 | noticeably different |
Lighter and darker in Benjamin Moore
The Benjamin Moore black colors nearest to Mopboard Black (LRV 6.2) by LRV.
Lighter than Mopboard Black
Darker than Mopboard Black
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CW-680 |
| Hex | #373839 |
| RGB | 55, 56, 57 |
| HSL | 210°, 2%, 22% |
| LRV (light reflectance value) | 6.2 |
| Lab L*, a*, b* | 23.5, -0.2, -0.8 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Black |
Same paint, two kinds of light
Mopboard Black (BM CW-680), published as #373839
#283037
#454039
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 Mopboard Black (BM CW-680)?
- Mopboard Black has an LRV of 6.2. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mopboard Black is a very deep color.
- What is the closest match to Mopboard Black in another brand?
- Greenblack (SW 6994) from Sherwin-Williams, at a deltaE of 1.6 (very close).
- Is Mopboard Black warm or cool?
- Benjamin Moore lists Mopboard Black as neutral, with a Neutral undertone. Its Lab b* value is -0.8; 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.