Ref. #6E6F82 · 1171-6
Old Mill Blue
16%LRV Value
Cool (Violet)Undertone
Old Mill Blue Technical Profile
What color is Old Mill Blue? It's a deep warm gray with the hex code #6E6F82. Colors similar to Old Mill Blue include Benjamin Moore Amethyst Shadow, Benjamin Moore Amethyst Shadow, Behr Enigmatic. Old Mill Blue has a cool (violet) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 16, Old Mill Blue 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, Old Mill Blue 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 Old Mill Blue
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Old Mill Blue
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Old Mill Blue
#6E6F82
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#8F7CA7
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Old Mill Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Old Mill Blue 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 PPG Colors
Other PPG colors close to Old Mill Blue.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Old Mill Blue — Frequently Asked Questions
What undertone does Old Mill Blue have?
Old Mill Blue by PPG has a cool (violet) undertone and belongs to the gray color family.
What colors match Old Mill Blue from other brands?
The closest matches are Amethyst Shadow by Benjamin Moore (#6F7283), Amethyst Shadow by Benjamin Moore (#6F7283), Enigmatic by Behr (#6D6F7E). Always verify with physical samples.
What is the LRV of Old Mill Blue?
Old Mill Blue has an LRV of 16.3, where 0 is pure black and 100 is pure white.
Explore More with Old Mill Blue
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 Old Mill Blue's cool (violet) undertone matters more than its surface color — and how to read undertones in any paint chip.