Neptune Blue by Behr paint color
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Ref. #39729C · 570D-6

Neptune Blue

15%LRV Value
Cool (Blue)Undertone
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Neptune Blue 570D-6 is a blue paint color from Behr. It has a hex value of #39729C, LRV 15 and a cool (blue) undertone. Its closest cross-brand match is Winter's from Benjamin Moore (nearly identical), with 49 more equivalents across other brands.

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Neptune Blue Technical Profile

HEX Code#39729C
RGB57, 114, 156
LRV15.3
UndertoneCool (Blue)
Color Familyblue
BrandBehr

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Neptune Blue in Every Brand

The closest equivalent to Neptune Blue in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →

BehrNeptune Blue
Nearly identical
Benjamin MooreWinter's

Winter's

Benjamin Moore

Nearly identical

Triumph Blue

Kilz

Nearly identical

Lovely Lapis

Dutch Boy

Very similar

Surf'S Up

Dunn-Edwards

Very similar

Zenith

Vista Paint

Very similar

Planetarium

PPG

Very similar

Peek-A-Boo Blue

Valspar

Very similar

Bowen Blue

Hirshfield's

Very similar

Danube

Sherwin-Williams

Very similar

Sky Blue

RAL

Very similar

Pea Flower Tea

Farrow & Ball

Visible difference

Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.

Recommended Pairings

Colors That Work With Neptune Blue

Timeless pairing with clean white trim and a tonal accent wall

Living room with applied paint colors

Side Walls

Neptune Blue

#39729C

Accent Wall

Tonal Shift

A warm shift that adds depth without clashing.

#6267A6

Trim & Molding

Pure White

Crisp white trim for a clean, traditional look.

#FFFFFF

Customize in Room VisualizerExplore full palette →

Color Palettes for Neptune Blue

Color harmonies based on color theory — each swatch links to the closest matching paint.

Opposite on the color wheel — creates vibrant contrast

Base

Neptune Blue

Complement

Harrison Rust

Neptune Blue Room Palettes

Color schemes built around this color — each swatch links to the closest matching paint.

Walls

Aruba Aqua

Trim

Blanca Peak

Accent

This Color

Pop

Solitary Tree

Warm & Inviting

Warm tones with cozy appeal — welcoming and comfortable

Walls

Hint of Violet

Trim

Blanca Peak

Accent

This Color

Pop

Caribbean Coral

Cool & Calm

Cool hues with soft contrast — serene and restful

Walls

Echo Mist

Trim

Blanca Peak

Accent

This Color

Pop

Golden Pumpkin

Bold Contrast

Complementary hues with punch — dynamic and striking

Similar Behr Colors

Other Behr colors close to Neptune Blue.

Shipyard

Behr · S500-6

#3B739D

Seven Seas

Behr · 560D-6

#2E7397

Soul Search

Behr · T18-14

#377290

Bering Wave

Behr · S490-6

#2C759A

Sojourn Blue

Behr · M500-5

#3077A7

Layers Of Ocean

Behr · S520-6

#48769E

More blue colors from other brands

Cross-brand colors in the blue family — useful when you want a similar look from a different brand.

Slumber

Valspar · 4007-9C

#98C8EA

Mill Run Blue

PPG · 70BG 60/145

#AFCFE2

True Turquoise

PPG · 19BG 61/207

#9AD5E2

Glacier Mist

Valspar · 4005-3B

#AEBECE

Laguna Green

Valspar · 5007-10B

#34A79E

Blue Nile

Sherwin-Williams · 6776

#01717E

Neptune Blue — Frequently Asked Questions

What undertone does Neptune Blue have?
Neptune Blue by Behr has a cool (blue) undertone and sits in the blue color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Neptune Blue in your own space before committing.
What colors match Neptune Blue from other brands?
The closest cross-brand equivalents to Neptune Blue are Winter's by Benjamin Moore (a near-identical match), Chicago Blues by Benjamin Moore (a near-identical match), Triumph Blue by Kilz (a near-identical match) — the best options for getting Neptune Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Neptune Blue?
Neptune Blue has a Light Reflectance Value (LRV) of 15.3, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.

Explore More with Neptune Blue

See It on a Wall

Preview this color in a real room

How Much Paint?

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Browse blue Colors

Explore more shades in this family

Related Reading

How to Match Paint Colors Across Brands

The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.

Understanding Paint Color Undertones

Why Neptune Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.

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