Thundering Clouds by Valspar paint color
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Ref. #66778D · 4005-4B

Thundering Clouds

18%LRV Value
NeutralUndertone
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Thundering Clouds 4005-4B is a neutral paint color from Valspar. It has a hex value of #66778D, LRV 18 and a neutral undertone. Its closest cross-brand match is Always Indigo from Behr (nearly identical), with 49 more equivalents across other brands.

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Thundering Clouds Technical Profile

HEX Code#66778D
RGB102, 119, 141
LRV17.9
UndertoneNeutral
Color Familyneutral
BrandValspar

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Thundering Clouds in Every Brand

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

ValsparThundering Clouds
Nearly identical
BehrAlways Indigo

Always Indigo

Behr

Nearly identical

License To Dream

PPG

Nearly identical

Stars & Stripes

Dutch Boy

Very similar

Blue Depths

Hirshfield's

Very similar

Searching Blue

Sherwin-Williams

Very similar

Blue Depths

Vista Paint

Very similar

Bay View

Dunn-Edwards

Very similar

Harbor Town

Kilz

Very similar

Luxe

Benjamin Moore

Very similar

Pigeon Blue

RAL

Visible difference

Wine Dark

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 Thundering Clouds

Timeless pairing with clean white trim and a tonal accent wall

Living room with applied paint colors

Side Walls

Thundering Clouds

#66778D

Accent Wall

Tonal Shift

A warm shift that adds depth without clashing.

#807DA9

Trim & Molding

Pure White

Crisp white trim for a clean, traditional look.

#FFFFFF

Customize in Room VisualizerExplore full palette →

Color Palettes for Thundering Clouds

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

Opposite on the color wheel — creates vibrant contrast

Base

Thundering Clouds

Complement

Industrial Strength

Thundering Clouds Room Palettes

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

Walls

White Pepper

Trim

Ultra White

Accent

This Color

Pop

Pishposh

Warm & Inviting

Warm tones with cozy appeal — welcoming and comfortable

Walls

Pale Linen

Trim

Ultra White

Accent

This Color

Pop

Kitchen Tile Red

Cool & Calm

Cool hues with soft contrast — serene and restful

Walls

April Morning

Trim

Ultra White

Accent

This Color

Pop

Pumpkin Squash

Bold Contrast

Complementary hues with punch — dynamic and striking

Similar Valspar Colors

Other Valspar colors close to Thundering Clouds.

Veranda Blue

Valspar · 4004-6B

#607992

Bountiful Blue

Valspar · 4007-6B

#617E90

Pacific Coast

Valspar · 4004-4B

#6C7686

Indigo Dreams

Valspar · 8003-46E

#607895

Magnet Dapple

Valspar · 4007-4A

#6C7A85

Celebration Blue

Valspar · 4008-6B

#618092

More neutral colors from other brands

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

Cultural Garden Green

PPG · 70GY 35/237

#83AC8A

Crystalline

Sherwin-Williams · 9691

#E9E3DE

Enthroned Above

Hirshfield's · 1199

#AC92B0

Grape Arbor

Kilz · TB-90

#847D5F

Sage Gray

Behr · 710F-4

#98B3A5

Shadowbox Beige

PPG · 10YY 56/060

#CEC4BB

Thundering Clouds — Frequently Asked Questions

What undertone does Thundering Clouds have?
Thundering Clouds by Valspar has a neutral undertone and sits in the neutral color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Thundering Clouds in your own space before committing.
What colors match Thundering Clouds from other brands?
The closest cross-brand equivalents to Thundering Clouds are Always Indigo by Behr (a near-identical match), License To Dream by PPG (a near-identical match), Mountain Slate Blue by PPG (a near-identical match) — the best options for getting Thundering Clouds'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 Thundering Clouds?
Thundering Clouds has a Light Reflectance Value (LRV) of 17.9, 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 Thundering Clouds

See It on a Wall

Preview this color in a real room

How Much Paint?

Calculate gallons for your project

Browse neutral 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 Thundering Clouds's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.

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