Ref. #66778D · 4005-4B
Thundering Clouds
18%LRV Value
NeutralUndertone
Thundering Clouds Technical Profile
What color is Thundering Clouds? It's a deep cool neutral with the hex code #66778D. Colors similar to Thundering Clouds include PPG License To Dream, PPG Blue Cloud. Thundering Clouds has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 18, Thundering Clouds creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a cool neutral, Thundering Clouds pairs with cool whites for trim, gray-toned or rift-cut oak floors, and brushed nickel or polished chrome hardware. Black accents and natural greenery add contrast. Cool neutrals hold their crisp quality under 4000K+ daylight bulbs. Under 2700K warm light they soften considerably — particularly true for any blue or green undertone.
Colors Similar to Thundering Clouds
Closest digital match based on color values. Always verify with physical samples.
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 belongs to the neutral color family.
What colors match Thundering Clouds from other brands?
The closest matches are License To Dream by PPG (#667486), Blue Cloud by PPG (#627188), Infamous by Behr (#677C99). Always verify with physical samples.
What is the LRV of Thundering Clouds?
Thundering Clouds has an LRV of 17.9, where 0 is pure black and 100 is pure white.
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.