Thundering Clouds 4005-4B is a neutral paint color from Valspar. It has a hex value of #66778D, estimated 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.
Valspar · #66778D · 4005-4B
Thundering Clouds
18%Estimated LRV
NeutralUndertone
Thundering Clouds Technical Profile
HEX Code#66778D
RGB102, 119, 141
Estimated LRV17.9
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyneutral
BrandValspar
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Thundering Clouds
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Always Indigo
Behr
#66778C
Close digital match
License To Dream
PPG
#667486
Close digital match
Stars & Stripes
Dutch Boy
#5A738F
Similar digital color
Blue Depths
Hirshfield's
#5A7187
Similar digital color
Searching Blue
Sherwin-Williams
#6C7F9A
Similar digital color
Blue Depths
Vista Paint
#596F85
Similar digital color
Bay View
Dunn-Edwards
#6A819E
Similar digital color
Harbor Town
Kilz
#5A779B
Similar digital color
Luxe
Benjamin Moore
#757E93
Similar digital color
Pigeon Blue
RAL
#606E8C
Visible digital difference
Wine Dark
Farrow & Ball
#5C6576
Visible digital difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Thundering Clouds
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
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
Digital 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. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Thundering Clouds from other brands?
The closest cross-brand equivalents to Thundering Clouds are Always Indigo by Behr (a close digital match), License To Dream by PPG (a close digital match), Mountain Slate Blue by PPG (a close digital 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 estimated lightness value 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.