Key Lime (Behr 420A-3)

Key Lime Behr 420A-3#C8DF9A, LRV 67.4 (estimated)
Living room with walls painted Behr Key Lime 420A-3 (simulated)
Living room, walls in Key Lime

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

Key Lime (Behr 420A-3) is a light, warm green from Behr: LRV 67.4, so it reflects about 67 percent of the light that hits it.

Colors that go with Key Lime

Four Behr colors picked for Key Lime by this site's color math: a trim white, a deeper green, 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 Key Lime, 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-WilliamsDancing GreenSW 6716585.1clearly different
Benjamin MooreCitron Cocktail41070.82.1very close
ValsparSpring Lawn6006-9C721.9very close
PPG PaintsLettuce Alone1222-4672.5noticeably different

Lighter and darker in Behr

Color data

BrandBehr
Color code420A-3
Hex#C8DF9A
RGB200, 223, 154
HSL80°, 52%, 74%
LRV (light reflectance value)67.4 (estimated from the hex)
Lab L*, a*, b*85.7, -19.1, 31.4
UndertoneWarm Yellow
Temperaturewarm
Color familyGreen

Same paint, two kinds of light

Key Lime (Behr 420A-3), published as #C8DF9A

North light (cool, indirect)
#B7D499
South light (warm, direct)
#D9EA99

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

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Common questions

What is the LRV of Key Lime (Behr 420A-3)?
Key Lime has an LRV of 67.4 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Key Lime is a light color.
What is the closest match to Key Lime in another brand?
Spring Lawn (Valspar 6006-9C) from Valspar, at a deltaE of 1.9 (very close).
Is Key Lime warm or cool?
Behr lists Key Lime as warm, with a Warm Yellow undertone. Its Lab b* value is 31.4; 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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