Soot (BM 2129-20)

Soot BM 2129-20#373C41, LRV 6.2
Living room with walls painted Benjamin Moore Soot 2129-20 (simulated)
Living room, walls in Soot

Illustrative room. Screen colors vary; test a sample before you paint.

Soot (BM 2129-20) 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 Soot

Three Benjamin Moore colors picked for Soot 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 Soot, 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-WilliamsInkwellSW 699242.1very close
BehrObsidian StoneECC-25-34.92.7noticeably different
ValsparDark Kettle Black4011-252.7noticeably different
PPG PaintsNapoleon1013-754.0noticeably different

Lighter and darker in Benjamin Moore

Color data

BrandBenjamin Moore
Color code2129-20
Hex#373C41
RGB55, 60, 65
HSL210°, 8%, 24%
LRV (light reflectance value)6.2
Lab L*, a*, b*25.0, -0.9, -3.8
UndertoneCool
Temperatureneutral
Color familyBlack

Same paint, two kinds of light

Soot (BM 2129-20), published as #373C41

North light (cool, indirect)
#27343F
South light (warm, direct)
#464441

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 Soot (BM 2129-20)?
Soot 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 Soot is a very deep color.
What is the closest match to Soot in another brand?
Inkwell (SW 6992) from Sherwin-Williams, at a deltaE of 2.1 (very close).
Is Soot warm or cool?
Benjamin Moore lists Soot as neutral, with a Cool undertone. Its Lab b* value is -3.8; 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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