Lagoon (Behr 520D-6)

Lagoon Behr 520D-6#42929C, LRV 24.1 (estimated)
Living room with walls painted Behr Lagoon 520D-6 (simulated)
Living room, walls in Lagoon

Illustrative room. Screen colors vary; test a sample before you paint.

Lagoon (Behr 520D-6) is a deep, cool blue from Behr: LRV 24.1, so it reflects about 24 percent of the light that hits it.

Colors that go with Lagoon

Four Behr 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. Behr 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.

BrandClosest colorCodeLRVdeltaEHow close
Sherwin-WilliamsCloudburstSW 6487263.9noticeably different
Benjamin MooreRendezvous Bay72626.51.8very close
ValsparTropical Oasis5004-8B242.3very close
PPG PaintsAcapulco Cliffs1150-5283.5noticeably different

Lighter and darker in Behr

Color data

BrandBehr
Color code520D-6
Hex#42929C
RGB66, 146, 156
HSL187°, 41%, 44%
LRV (light reflectance value)24.1 (estimated from the hex)
Lab L*, a*, b*56.2, -21.3, -12.7
UndertoneCool Blue
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Lagoon (Behr 520D-6), published as #42929C

North light (cool, indirect)
#1F889A
South light (warm, direct)
#5C9C9C

These swatches and the rooms above are a simulation, not a measurement. How the visualizer works

Similar shades from Behr

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Common questions

What is the LRV of Lagoon (Behr 520D-6)?
Lagoon has an LRV of 24.1 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Lagoon is a deep color.
What is the closest match to Lagoon in another brand?
Rendezvous Bay (BM 726) from Benjamin Moore, at a deltaE of 1.8 (very close).
Is Lagoon warm or cool?
Behr lists Lagoon as cool, with a Cool Blue undertone. Its Lab b* value is -12.7; 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.

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