Opal Waters (Behr MQ5-50)

Opal Waters Behr MQ5-50#B1C6D1, LRV 54.3 (estimated)
Living room with walls painted Behr Opal Waters MQ5-50 (simulated)
Living room, walls in Opal Waters

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

Opal Waters (Behr MQ5-50) is a medium, cool blue from Behr: LRV 54.3, so it reflects about 54 percent of the light that hits it.

Colors that go with Opal Waters

Four Behr colors picked for Opal Waters 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 Opal Waters, 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-WilliamsHonest BlueSW 6520550.5indistinguishable
Benjamin MooreSerenataAF-53551.51.4very close
ValsparNorthern Sky Blue4008-5B531.9very close
PPG PaintsTwinkle1154-4541.3very close

Lighter and darker in Behr

Color data

BrandBehr
Color codeMQ5-50
Hex#B1C6D1
RGB177, 198, 209
HSL201°, 26%, 76%
LRV (light reflectance value)54.3 (estimated from the hex)
Lab L*, a*, b*78.7, -4.8, -7.9
UndertoneCool
Temperaturecool
Color familyBlue

Same paint, two kinds of light

Opal Waters (Behr MQ5-50), published as #B1C6D1

North light (cool, indirect)
#9EBCCF
South light (warm, direct)
#C4D0D1

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 Opal Waters (Behr MQ5-50)?
Opal Waters has an LRV of 54.3 (estimated from its hex value). LRV runs from 0 (black) to 100 (pure white) and measures the share of light a surface reflects, so Opal Waters is a medium color.
What is the closest match to Opal Waters in another brand?
Honest Blue (SW 6520) from Sherwin-Williams, at a deltaE of 0.5 (indistinguishable).
Is Opal Waters warm or cool?
Behr lists Opal Waters as cool, with a Cool undertone. Its Lab b* value is -7.9; 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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