Old Mill Blue (PPG 1171-6)
Illustrative room. Screen colors vary; test a sample before you paint.
Old Mill Blue (PPG 1171-6) is a very deep, cool purple from PPG Paints: LRV 16, so it reflects about 16 percent of the light that hits it.
Colors that go with Old Mill Blue
Four PPG Paints colors picked for Old Mill Blue by this site's color math: a trim white, a deeper purple, 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 Old Mill Blue, 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 | Exclusive Plum | SW 6263 | 16 | 4.8 | noticeably different |
| Benjamin Moore | Amethyst Shadow | 1441 | 18.3 | 1.6 | very close |
| Behr | Enchanted Evening | 640F-6 | 14 | 3.1 | noticeably different |
| Valspar | Turbid Amethyst | 4002-4B | 20 | 5.2 | clearly different |
Lighter and darker in PPG Paints
The PPG Paints purple colors nearest to Old Mill Blue (LRV 16) by LRV.
Lighter than Old Mill Blue
Darker than Old Mill Blue
Color data
| Brand | PPG Paints |
|---|---|
| Color code | 1171-6 |
| Hex | #6E6F82 |
| RGB | 110, 111, 130 |
| HSL | 237°, 8%, 47% |
| LRV (light reflectance value) | 16 |
| Lab L*, a*, b* | 47.4, 3.8, -10.6 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Old Mill Blue (PPG 1171-6), published as #6E6F82
#5D6680
#7F7882
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 Old Mill Blue (PPG 1171-6)?
- Old Mill Blue has an LRV of 16. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Old Mill Blue is a very deep color.
- What is the closest match to Old Mill Blue in another brand?
- Amethyst Shadow (BM 1441) from Benjamin Moore, at a deltaE of 1.6 (very close).
- Is Old Mill Blue warm or cool?
- PPG Paints lists Old Mill Blue as cool, with a Cool Blue undertone. Its Lab b* value is -10.6; 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.