Gunmetal Gray (PPG 1033-6)

Illustrative room. Screen colors vary; test a sample before you paint.
Gunmetal Gray (PPG 1033-6) is a very deep, neutral gray from PPG Paints: LRV 14, so it reflects about 14 percent of the light that hits it.
Colors that go with Gunmetal Gray
Four PPG Paints colors picked for Gunmetal Gray by this site's color math: a trim white, a deeper gray, a quiet contrast from another family, a dark accent. PPG Paints did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Gunmetal 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 | Succulent | SW 9650 | 14 | 1.4 | very close |
| Benjamin Moore | Rainy Afternoon | 1575 | 15.2 | 1.1 | very close |
| Behr | Dense Shrub | 700F-6 | 14.5 | 0.9 | indistinguishable |
| Valspar | Quaking Bog | 5005-2C | 14 | 2.1 | very close |
Lighter and darker in PPG Paints
The PPG Paints gray colors nearest to Gunmetal Gray (LRV 14) by LRV.
Lighter than Gunmetal Gray
Darker than Gunmetal Gray
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1033-6 |
| Hex | #646C64 |
| RGB | 100, 108, 100 |
| HSL | 120°, 4%, 41% |
| LRV (light reflectance value) | 14 |
| Lab L*, a*, b* | 44.7, -4.7, 3.4 |
| Undertone | Neutral |
| Temperature | neutral |
| Color family | Gray |
Same paint, two kinds of light
Gunmetal Gray (PPG 1033-6), published as #646C64
#546362
#747564
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from PPG Paints
More from PPG Paints
Common questions
- What is the LRV of Gunmetal Gray (PPG 1033-6)?
- Gunmetal Gray has an LRV of 14. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Gunmetal Gray is a very deep color.
- What is the closest match to Gunmetal Gray in another brand?
- Dense Shrub (Behr 700F-6) from Behr, at a deltaE of 0.9 (indistinguishable).
- Is Gunmetal Gray warm or cool?
- PPG Paints lists Gunmetal Gray as neutral, with a Neutral undertone. Its Lab b* value is 3.4; 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.