Ambler Slate (BM CW-685)

Illustrative room. Screen colors vary; test a sample before you paint.
Ambler Slate (BM CW-685) is a very deep, neutral gray from Benjamin Moore: LRV 11.8, so it reflects about 12 percent of the light that hits it.
Colors that go with Ambler Slate
Three Benjamin Moore colors picked for Ambler Slate 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 Ambler 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 | Peppercorn | SW 7674 | 10 | 1.2 | very close |
| Behr | Shadow Mountain | PPU24-22 | 9.8 | 1.2 | very close |
| Valspar | Blindfold | 4007-2C | 9 | 1.6 | very close |
| PPG Paints | Zombie | 1010-7 | 10 | 1.1 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore gray colors nearest to Ambler Slate (LRV 11.8) by LRV.
Lighter than Ambler Slate
Darker than Ambler Slate
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CW-685 |
| Hex | #57595A |
| RGB | 87, 89, 90 |
| HSL | 200°, 2%, 35% |
| LRV (light reflectance value) | 11.8 |
| Lab L*, a*, b* | 37.7, -0.6, -0.8 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Ambler Slate (BM CW-685), published as #57595A
#475058
#67625A
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 Ambler Slate (BM CW-685)?
- Ambler Slate has an LRV of 11.8. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Ambler Slate is a very deep color.
- What is the closest match to Ambler Slate in another brand?
- Zombie (PPG 1010-7) from PPG Paints, at a deltaE of 1.1 (very close).
- Is Ambler Slate warm or cool?
- Benjamin Moore lists Ambler Slate 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.