Mystery (Behr MQ5-51)

Mystery Behr MQ5-51#849BB3, LRV 31.6 (estimated)
Living room with walls painted Behr Mystery MQ5-51 (simulated)
Living room, walls in Mystery

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

Mystery (Behr MQ5-51) is a deep, cool blue from Behr: LRV 31.6, so it reflects about 32 percent of the light that hits it.

Colors that go with Mystery

Four Behr colors picked for Mystery 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 Mystery, 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-WilliamsBluesy NoteSW 9064312.0very close
Benjamin MooreDenim Wash83835.22.4noticeably different
ValsparOffice Blue4005-6A322.7noticeably different
PPG PaintsWalden Pond1159-4313.3noticeably different

Lighter and darker in Behr

Color data

BrandBehr
Color codeMQ5-51
Hex#849BB3
RGB132, 155, 179
HSL211°, 24%, 61%
LRV (light reflectance value)31.6 (estimated from the hex)
Lab L*, a*, b*63.0, -2.5, -15.1
UndertoneCool Blue
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Mystery (Behr MQ5-51), published as #849BB3

North light (cool, indirect)
#7191B1
South light (warm, direct)
#97A5B3

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 Mystery (Behr MQ5-51)?
Mystery has an LRV of 31.6 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Mystery is a deep color.
What is the closest match to Mystery in another brand?
Bluesy Note (SW 9064) from Sherwin-Williams, at a deltaE of 2.0 (very close).
Is Mystery warm or cool?
Behr lists Mystery as cool, with a Cool Blue undertone. Its Lab b* value is -15.1; 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.

Published . Updated .