Museum Piece (BM CSP-40)

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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.
| Brand | Closest color | Code | LRV | deltaE | How close |
|---|---|---|---|---|---|
| Sherwin-Williams | Pussywillow | SW 7643 | 42 | 0.6 | indistinguishable |
| Behr | Downtown Gray | PPU24-10 | 40.2 | 0.9 | indistinguishable |
| Valspar | Ashen Grey | 6004-1C | 41 | 2.0 | very close |
| PPG Paints | Greyhound | 1008-3 | 42 | 1.0 | very close |
Lighter and darker in Benjamin Moore
The Benjamin Moore greige colors nearest to Museum Piece (LRV 41.5) by LRV.
Lighter than Museum Piece
Darker than Museum Piece
Color data
| Brand | Benjamin Moore |
|---|---|
| Color code | CSP-40 |
| Hex | #B0ACA3 |
| RGB | 176, 172, 163 |
| HSL | 42°, 8%, 66% |
| LRV (light reflectance value) | 41.5 |
| Lab L*, a*, b* | 70.4, -0.2, 5.1 |
| Undertone | Neutral |
| Temperature | warm |
| Color family | Greige |
Same paint, two kinds of light
Museum Piece (BM CSP-40), published as #B0ACA3
#9FA2A1
#C1B6A3
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 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.