Ref. #455C59 · 13-29
Antique Slate
10%LRV Value
NeutralUndertone
Antique Slate Technical Profile
What color is Antique Slate? It's a dark cool gray with the hex code #455C59. Colors similar to Antique Slate include MPC Green Cove, Dunn-Edwards Loch Ness, Benjamin Moore Mediterranean Teal. Antique Slate has a neutral undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 10, Antique Slate 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, Antique Slate 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 Antique Slate
Closest digital match based on color values. Always verify with physical samples.
Recommended Pairings
Colors That Work With Antique Slate
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Antique Slate
#455C59
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#55707F
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Antique Slate
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Antique Slate 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 Antique Slate.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Antique Slate — Frequently Asked Questions
What undertone does Antique Slate have?
Antique Slate by PPG has a neutral undertone and belongs to the gray color family.
What colors match Antique Slate from other brands?
The closest matches are Green Cove by MPC (#475E5C), Loch Ness by Dunn-Edwards (#445956), Mediterranean Teal by Benjamin Moore (#475A57). Always verify with physical samples.
What is the LRV of Antique Slate?
Antique Slate has an LRV of 9.6, where 0 is pure black and 100 is pure white.
Explore More with Antique Slate
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 Antique Slate's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.