Reef Blue (Behr S490-3)

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Reef Blue (Behr S490-3) is a medium, cool blue from Behr: LRV 47.1, so it reflects about 47 percent of the light that hits it.
Colors that go with Reef Blue
Four Behr colors picked for Reef Blue by this site's color math: a trim white, a deeper blue, a quiet contrast from another family, a dark accent. Behr did not choose these pairings.
Closest match in every other brand
Each brand's closest color to Reef 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 | Rest Assured | SW 9061 | 49 | 3.1 | noticeably different |
| Benjamin Moore | Daydream | CSP-615 | 49.6 | 1.4 | very close |
| Valspar | Blue Vault | 4006-5C | 46 | 1.8 | very close |
| PPG Paints | Crystal Lake | 1151-4 | 42 | 2.9 | noticeably different |
Lighter and darker in Behr
The Behr blue colors nearest to Reef Blue (LRV 47.1 (estimated)) by LRV.
Lighter than Reef Blue
Darker than Reef Blue
Color data
| Brand | Behr |
|---|---|
| Color code | S490-3 |
| Hex | #93BDCF |
| RGB | 147, 189, 207 |
| HSL | 198°, 38%, 69% |
| LRV (light reflectance value) | 47.1 (estimated from the hex) |
| Lab L*, a*, b* | 74.3, -9.7, -13.6 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Reef Blue (Behr S490-3), published as #93BDCF
#7EB3CD
#A8C7CF
These swatches and the rooms above are a simulation, not a measurement. How the visualizer works
Similar shades from Behr
More from Behr
Common questions
- What is the LRV of Reef Blue (Behr S490-3)?
- Reef Blue has an LRV of 47.1 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Reef Blue is a medium color.
- What is the closest match to Reef Blue in another brand?
- Daydream (BM CSP-615) from Benjamin Moore, at a deltaE of 1.4 (very close).
- Is Reef Blue warm or cool?
- Behr lists Reef Blue as cool, with a Cool Blue undertone. Its Lab b* value is -13.6; a higher b* is warmer and yellower, a lower one cooler and bluer.
Sources: hex as published by the manufacturer, via PaintDB (CC BY 4.0); LRV is not published by Behr for this color and is estimated here from the color's own hex value. 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.