Castle Stone (PPG 1128-7)

Illustrative room. Screen colors vary; test a sample before you paint.
Castle Stone (PPG 1128-7) is a very deep, warm green from PPG Paints: LRV 9, so it reflects about 9 percent of the light that hits it.
Colors that go with Castle Stone
Three PPG Paints colors picked for Castle Stone by this site's color math: a trim white, 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 Castle Stone, 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 | Rookwood Dark Green | SW 2816 | 10 | 1.8 | very close |
| Benjamin Moore | Vintage Vogue | 462 | 11.9 | 2.6 | noticeably different |
| Behr | Freshwater Marsh | ECC-37-3 | 8.9 | 1.1 | very close |
| Valspar | Blackened Pine | 5003-2C | 9 | 4.7 | noticeably different |
Lighter and darker in PPG Paints
The PPG Paints green colors nearest to Castle Stone (LRV 9) by LRV.
Lighter than Castle Stone
Darker than Castle Stone
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1128-7 |
| Hex | #525746 |
| RGB | 82, 87, 70 |
| HSL | 78°, 11%, 31% |
| LRV (light reflectance value) | 9 |
| Lab L*, a*, b* | 36.1, -5.4, 9.2 |
| Undertone | Cool Green |
| Temperature | warm |
| Color family | Green |
Same paint, two kinds of light
Castle Stone (PPG 1128-7), published as #525746
#444E45
#616046
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 Castle Stone (PPG 1128-7)?
- Castle Stone has an LRV of 9. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Castle Stone is a very deep color.
- What is the closest match to Castle Stone in another brand?
- Freshwater Marsh (Behr ECC-37-3) from Behr, at a deltaE of 1.1 (very close).
- Is Castle Stone warm or cool?
- PPG Paints lists Castle Stone as warm, with a Cool Green undertone. Its Lab b* value is 9.2; 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.