Gentian (SW 6817)
Illustrative room. Screen colors vary; test a sample before you paint.
Gentian (SW 6817) is a very deep, cool purple from Sherwin-Williams: LRV 18, so it reflects about 18 percent of the light that hits it.
Colors that go with Gentian
Four Sherwin-Williams colors picked for Gentian by this site's color math: a trim white, a deeper purple, 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 Gentian, 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 | Blue Nova | 825 | 17 | 4.2 | noticeably different |
| Behr | Stained Glass | 610B-6 | 16.4 | 1.4 | very close |
| Valspar | Bedtime Story | 4003-8B | 20 | 3.9 | noticeably different |
| PPG Paints | King's Robe | 1245-6 | 18 | 1.8 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams purple colors nearest to Gentian (LRV 18) by LRV.
Lighter than Gentian
Darker than Gentian
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6817 |
| Hex | #6572A5 |
| RGB | 101, 114, 165 |
| HSL | 228°, 26%, 52% |
| LRV (light reflectance value) | 18 |
| Lab L*, a*, b* | 48.9, 8.3, -28.9 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Purple |
Same paint, two kinds of light
Gentian (SW 6817), published as #6572A5
#5069A3
#797BA6
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 Gentian (SW 6817)?
- Gentian has an LRV of 18. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Gentian is a very deep color.
- What is the closest match to Gentian in another brand?
- Stained Glass (Behr 610B-6) from Behr, at a deltaE of 1.4 (very close).
- Is Gentian warm or cool?
- Sherwin-Williams lists Gentian as cool, with a Cool Blue undertone. Its Lab b* value is -28.9; 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.