Ref. #657F8B · N510-5
Liquid Mercury
20%LRV Value
Cool (Blue)Undertone
Liquid Mercury Technical Profile
What color is Liquid Mercury? It's a deep cool neutral with the hex code #657F8B. Colors similar to Liquid Mercury include PPG Artifact, Benjamin Moore Alfresco, PPG Sorcerer's Spell. Liquid Mercury has a cool (blue) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 20, Liquid Mercury 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, Liquid Mercury 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 Liquid Mercury
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Liquid Mercury
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Liquid Mercury
#657F8B
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#7C84A7
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Liquid Mercury
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Liquid Mercury 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 Behr Colors
Other Behr colors close to Liquid Mercury.
More neutral colors from other brands
Cross-brand colors in the neutral family — useful when you want a similar look from a different brand.
Liquid Mercury — Frequently Asked Questions
What undertone does Liquid Mercury have?
Liquid Mercury by Behr has a cool (blue) undertone and belongs to the neutral color family.
What colors match Liquid Mercury from other brands?
The closest matches are Artifact by PPG (#69808B), Alfresco by Benjamin Moore (#688290), Sorcerer's Spell by PPG (#657D85). Always verify with physical samples.
What is the LRV of Liquid Mercury?
Liquid Mercury has an LRV of 19.8, where 0 is pure black and 100 is pure white.
Explore More with Liquid Mercury
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 Liquid Mercury's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.