Lagoon (SW 6480)
Illustrative room. Screen colors vary; test a sample before you paint.
Lagoon (SW 6480) is a deep, neutral blue from Sherwin-Williams: LRV 20, so it reflects about 20 percent of the light that hits it.
Colors that go with Lagoon
Four Sherwin-Williams colors picked for Lagoon 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 Lagoon, 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 | Mayo Teal | CW-570 | 23.2 | 2.1 | very close |
| Behr | Bubble Turquoise | M450-6 | 18.3 | 3.2 | noticeably different |
| Valspar | Moonlit Surf | 5004-6B | 18 | 4.0 | noticeably different |
| PPG Paints | Jericho Jade | 1142-6 | 20 | 0.9 | indistinguishable |
Lighter and darker in Sherwin-Williams
The Sherwin-Williams blue colors nearest to Lagoon (LRV 20) by LRV.
Lighter than Lagoon
Darker than Lagoon
Color data
| Brand | Sherwin-Williams |
|---|---|
| Color code | SW 6480 |
| Hex | #518682 |
| RGB | 81, 134, 130 |
| HSL | 175°, 25%, 42% |
| LRV (light reflectance value) | 20 |
| Lab L*, a*, b* | 52.3, -18.6, -3.4 |
| Undertone | Cool |
| Temperature | neutral |
| Color family | Blue |
Same paint, two kinds of light
Lagoon (SW 6480), published as #518682
#3B7C80
#659082
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 Lagoon (SW 6480)?
- Lagoon has an LRV of 20. LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Lagoon is a deep color.
- What is the closest match to Lagoon in another brand?
- Jericho Jade (PPG 1142-6) from PPG Paints, at a deltaE of 0.9 (indistinguishable).
- Is Lagoon warm or cool?
- Sherwin-Williams lists Lagoon as neutral, with a Cool 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.