Cathedral Gray (Behr PPU18-14)
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Cathedral Gray (Behr PPU18-14) is a medium, neutral gray from Behr: LRV 40.3, so it reflects about 40 percent of the light that hits it.
Colors that go with Cathedral Gray
Four Behr colors picked for Cathedral Gray by this site's color math: a trim white, a deeper gray, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Cathedral Gray, 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 | Ellie Gray | SW 7650 | 40 | 1.4 | very close |
| Benjamin Moore | Stormy Monday | 2112-50 | 40.5 | 1.4 | very close |
| Valspar | Rocky Bluffs | 4003-1C | 40 | 1.3 | very close |
| PPG Paints | Flagstone | 1001-4 | 42 | 2.1 | very close |
Lighter and darker in Behr
The Behr gray colors nearest to Cathedral Gray (LRV 40.3 (estimated)) by LRV.
Lighter than Cathedral Gray
Darker than Cathedral Gray
Color data
| Brand | Behr |
|---|---|
| Color code | PPU18-14 |
| Hex | #ACAAA7 |
| RGB | 172, 170, 167 |
| HSL | 36°, 3%, 66% |
| LRV (light reflectance value) | 40.3 (estimated from the hex) |
| Lab L*, a*, b* | 69.7, 0.2, 1.8 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Cathedral Gray (Behr PPU18-14), published as #ACAAA7
#9BA0A5
#BDB4A7
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Cathedral Gray (Behr PPU18-14)?
- Cathedral Gray has an LRV of 40.3 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Cathedral Gray is a medium color.
- What is the closest match to Cathedral Gray in another brand?
- Rocky Bluffs (Valspar 4003-1C) from Valspar, at a deltaE of 1.3 (very close).
- Is Cathedral Gray warm or cool?
- Behr lists Cathedral Gray as neutral, with a Neutral undertone. Its Lab b* value is 1.8; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.