Ref. #646B63 · 7005
Mouse Grey
14%LRV Value
Warm (Golden)Undertone
Mouse Grey Technical Profile
What color is Mouse Grey? It's a deep warm gray with the hex code #646B63. Colors similar to Mouse Grey include PPG Gunmetal Gray, Benjamin Moore Rainy Afternoon, Behr Gray Owl. Mouse Grey has a warm (golden) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 14, Mouse Grey creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a warm neutral, Mouse Grey pairs with off-whites for trim, white oak or walnut floors, and brass or warm brushed nickel hardware. Deep green, navy, or terra-cotta all read well as accent colors. Warm neutrals come alive under 2700K bulbs, where their underlying yellow or peach undertones add visible warmth. Under 4000K daylight they read cleaner and slightly cooler.
Colors Similar to Mouse Grey
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Mouse Grey
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Mouse Grey
#646B63
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#679A7A
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Mouse Grey
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Mouse Grey 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 RAL Colors
Other RAL colors close to Mouse Grey.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Mouse Grey — Frequently Asked Questions
What undertone does Mouse Grey have?
Mouse Grey by RAL has a warm (golden) undertone and belongs to the gray color family.
What colors match Mouse Grey from other brands?
The closest matches are Gunmetal Gray by PPG (#646C64), Rainy Afternoon by Benjamin Moore (#656C62), Gray Owl by Behr (#646C62). Always verify with physical samples.
What is the LRV of Mouse Grey?
Mouse Grey has an LRV of 14.1, where 0 is pure black and 100 is pure white.
Explore More with Mouse Grey
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 Mouse Grey's warm (golden) undertone matters more than its surface color — and how to read undertones in any paint chip.