Mercurial (SW 9550)
Illustrative room. Screen colors vary; test a sample before you paint.
Mercurial (SW 9550) is a light, neutral gray from Sherwin-Williams: LRV 61, so it reflects about 61 percent of the light that hits it.
Colors that go with Mercurial
Four Sherwin-Williams colors picked for Mercurial by this site's color math: a trim white, a deeper gray, a quiet contrast from another family, a dark accent. Sherwin-Williams did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Mercurial, 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 |
|---|---|---|---|---|---|
| Benjamin Moore | Wish | AF-680 | 58.6 | 1.1 | very close |
| Behr | Ground Fog | BNC-05 | 60 | 0.9 | indistinguishable |
| Valspar | Filtered Shade | 4003-1B | 60 | 1.8 | very close |
| PPG Paints | Cool Slate | 1002-3 | 61 | 0.8 | indistinguishable |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams gray colors nearest to Mercurial (LRV 61) by LRV.
Lighter than Mercurial
Darker than Mercurial
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 9550 |
| Hex | #D1CCC6 |
| RGB | 209, 204, 198 |
| HSL | 33°, 11%, 80% |
| LRV (light reflectance value) | 61 |
| Lab L*, a*, b* | 82.3, 0.7, 3.6 |
| Undertone | Warm |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Mercurial (SW 9550), published as #D1CCC6
#C0C2C4
#E3D6C6
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Sherwin-Williams
More from Sherwin-Williams
Common questions
- What is the LRV of Mercurial (SW 9550)?
- Mercurial has an LRV of 61. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mercurial is a light color.
- What is the closest match to Mercurial in another brand?
- Cool Slate (PPG 1002-3) from PPG Paints, at a deltaE of 0.8 (indistinguishable).
- Is Mercurial warm or cool?
- Sherwin-Williams lists Mercurial as neutral, with a Warm undertone. Its Lab b* value is 3.6; 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.