Ambler Slate (BM CW-685)

Ambler Slate BM CW-685#57595A, LRV 11.8
Living room with walls painted Benjamin Moore Ambler Slate CW-685 (simulated)
Living room, walls in Ambler Slate

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.

BrandClosest colorCodeLRVdeltaEHow close
Sherwin-WilliamsPeppercornSW 7674101.2very close
BehrShadow MountainPPU24-229.81.2very close
ValsparBlindfold4007-2C91.6very close
PPG PaintsZombie1010-7101.1very close

Lighter and darker in Benjamin Moore

Color data

BrandBenjamin Moore
Color codeCW-685
Hex#57595A
RGB87, 89, 90
HSL200°, 2%, 35%
LRV (light reflectance value)11.8
Lab L*, a*, b*37.7, -0.6, -0.8
UndertoneNeutral
Temperatureneutral
Color familyGray

Same paint, two kinds of light

Ambler Slate (BM CW-685), published as #57595A

North light (cool, indirect)
#475058
South light (warm, direct)
#67625A

These swatches and the rooms above are a simulation, not a measurement. How the visualizer works

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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.

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