Museum Piece (BM CSP-40)

Museum Piece BM CSP-40#B0ACA3, LRV 41.5
Living room with walls painted Benjamin Moore Museum Piece CSP-40 (simulated)
Living room, walls in Museum Piece

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

Museum Piece (BM CSP-40) is a medium, warm greige from Benjamin Moore: LRV 41.5, so it reflects about 41 percent of the light that hits it.

Colors that go with Museum Piece

Four Benjamin Moore colors picked for Museum Piece by this site's color math: a trim white, a deeper greige, 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 Museum Piece, 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-WilliamsPussywillowSW 7643420.6indistinguishable
BehrDowntown GrayPPU24-1040.20.9indistinguishable
ValsparAshen Grey6004-1C412.0very close
PPG PaintsGreyhound1008-3421.0very close

Lighter and darker in Benjamin Moore

Color data

BrandBenjamin Moore
Color codeCSP-40
Hex#B0ACA3
RGB176, 172, 163
HSL42°, 8%, 66%
LRV (light reflectance value)41.5
Lab L*, a*, b*70.4, -0.2, 5.1
UndertoneNeutral
Temperaturewarm
Color familyGreige

Same paint, two kinds of light

Museum Piece (BM CSP-40), published as #B0ACA3

North light (cool, indirect)
#9FA2A1
South light (warm, direct)
#C1B6A3

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 Museum Piece (BM CSP-40)?
Museum Piece has an LRV of 41.5. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Museum Piece is a medium color.
What is the closest match to Museum Piece in another brand?
Pussywillow (SW 7643) from Sherwin-Williams, at a deltaE of 0.6 (indistinguishable).
Is Museum Piece warm or cool?
Benjamin Moore lists Museum Piece as warm, with a Neutral undertone. Its Lab b* value is 5.1; 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.

Published . Updated .