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.
Ref. #66778D · 4005-4B
Thundering Clouds
18%LRV Value
NeutralUndertone
Thundering Clouds Technical Profile
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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
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
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
Thundering Clouds Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Valspar Colors
Other Valspar colors close to Thundering Clouds.
More neutral colors from other brands
Cross-brand colors in the neutral family — useful when you want a similar look from a different brand.
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
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.