Cool Dusk (Behr 550F-4)
Illustrative room. Screen colors vary; test a sample before you paint.
Cool Dusk (Behr 550F-4) is a deep, cool blue from Behr: LRV 31.3, so it reflects about 31 percent of the light that hits it.
Colors that go with Cool Dusk
Four Behr colors picked for Cool Dusk 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 Cool Dusk, 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 | Baby Blue Eyes | SW 9070 | 34 | 2.3 | noticeably different |
| Benjamin Moore | Labrador Blue | 1670 | 33.1 | 1.0 | very close |
| Valspar | Nostalgia | 4007-6A | 34 | 2.4 | noticeably different |
| PPG Paints | Serene Stream | 1154-5 | 32 | 1.6 | very close |
Lighter and darker in Behr
The Behr blue colors nearest to Cool Dusk (LRV 31.3 (estimated)) by LRV.
Lighter than Cool Dusk
Darker than Cool Dusk
Color data
| Brand | Behr |
|---|---|
| Color code | 550F-4 |
| Hex | #7B9DAD |
| RGB | 123, 157, 173 |
| HSL | 199°, 23%, 58% |
| LRV (light reflectance value) | 31.3 (estimated from the hex) |
| Lab L*, a*, b* | 62.8, -7.9, -12.1 |
| Undertone | Cool Blue |
| Temperature | cool |
| Color family | Blue |
Same paint, two kinds of light
Cool Dusk (Behr 550F-4), published as #7B9DAD
#6793AB
#8FA7AD
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 Cool Dusk (Behr 550F-4)?
- Cool Dusk has an LRV of 31.3 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Cool Dusk is a deep color.
- What is the closest match to Cool Dusk in another brand?
- Labrador Blue (BM 1670) from Benjamin Moore, at a deltaE of 1.0 (very close).
- Is Cool Dusk warm or cool?
- Behr lists Cool Dusk as cool, with a Cool Blue undertone. Its Lab b* value is -12.1; 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.