Ref. #B9BEC1 · 2124-40
Thundercloud Gray
51%LRV Value
Cool (Blue)Undertone
Thundercloud Gray Technical Profile
What color is Thundercloud Gray? It's a medium cool gray with the hex code #B9BEC1. Colors similar to Thundercloud Gray include Behr French Silver, Dunn-Edwards Silver Lined, Behr Distant Star. Thundercloud Gray has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. At LRV 51, Thundercloud Gray sits in the comfortable mid-light range — bright enough for living areas yet soft enough for bedrooms, and adaptable across most lighting conditions. As a cool neutral, Thundercloud Gray 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 Thundercloud Gray
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Thundercloud Gray
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Thundercloud Gray
#B9BEC1
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#858AAD
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Thundercloud Gray
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Thundercloud Gray 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 Benjamin Moore Colors
Other Benjamin Moore colors close to Thundercloud Gray.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Thundercloud Gray — Frequently Asked Questions
What undertone does Thundercloud Gray have?
Thundercloud Gray by Benjamin Moore has a cool (blue) undertone and belongs to the gray color family.
What colors match Thundercloud Gray from other brands?
The closest matches are French Silver by Behr (#B8BCBE), Silver Lined by Dunn-Edwards (#BBBFC3), Distant Star by Behr (#B7BEC1). Always verify with physical samples.
What is the LRV of Thundercloud Gray?
Thundercloud Gray has an LRV of 51.0, where 0 is pure black and 100 is pure white.
Explore More with Thundercloud Gray
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 Thundercloud Gray's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.