Open Seas (SW 6500)
Illustrative room. Screen colors vary; test a sample before you paint.
Open Seas (SW 6500) is a deep, cool blue from Sherwin-Williams: LRV 39, so it reflects about 39 percent of the light that hits it.
Colors that go with Open Seas
Four Sherwin-Williams colors picked for Open Seas by this site's color math: a trim white, a deeper blue, 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 Open Seas, 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 | Bayville Blue | 747 | 38.9 | 3.6 | noticeably different |
| Behr | Porcelain Blue | PMD-83 | 38.5 | 0.8 | indistinguishable |
| Valspar | Lucy Blue | 5001-5C | 39 | 2.3 | very close |
| PPG Paints | Crystal Lake | 1151-4 | 42 | 1.9 | very close |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Open Seas (LRV 39) by LRV.
Lighter than Open Seas
Darker than Open Seas
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6500 |
| Hex | #83AFBC |
| RGB | 131, 175, 188 |
| HSL | 194°, 30%, 63% |
| LRV (light reflectance value) | 39 |
| Lab L*, a*, b* | 68.8, -11.5, -11.4 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Open Seas (SW 6500), published as #83AFBC
#6EA5BA
#97B9BC
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 Open Seas (SW 6500)?
- Open Seas has an LRV of 39. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Open Seas is a deep color.
- What is the closest match to Open Seas in another brand?
- Porcelain Blue (Behr PMD-83) from Behr, at a deltaE of 0.8 (indistinguishable).
- Is Open Seas warm or cool?
- Sherwin-Williams lists Open Seas as cool, with a Cool Blue undertone. Its Lab b* value is -11.4; 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.