Iron Mountain N520-5 is a gray paint color from Behr. It has a hex value of #64777A, LRV 17 and a neutral undertone. Its closest cross-brand match is Stargazer from Sherwin-Williams (nearly identical), with 49 more equivalents across other brands.
Ref. #64777A · N520-5
Iron Mountain
17%LRV Value
NeutralUndertone
Iron Mountain Technical Profile
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Iron Mountain in Every Brand
The closest equivalent to Iron Mountain in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
BehrIron Mountain
Nearly identical
Sherwin-WilliamsStargazer
Stargazer
Sherwin-Williams
Nearly identical
Dark Teal Woods
PPG
Nearly identical
Blue Thunder
Valspar
Nearly identical
Paradise City
Hirshfield's
Very similar
Classic Movie
Kilz
Very similar
Portsmouth Blue
Vista Paint
Very similar
Providence Blue
Benjamin Moore
Very similar
De Nimes
Farrow & Ball
Very similar
Shadowed Blue
Dutch Boy
Very similar
Pike Lake
Dunn-Edwards
Very similar
Wool .05
Colorhouse
Very similar
Squirrel Grey
RAL
Visible difference
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Iron Mountain
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Iron Mountain
#64777A
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#7182A0
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Iron Mountain
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Iron Mountain 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 Iron Mountain.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Iron Mountain — Frequently Asked Questions
What undertone does Iron Mountain have?
Iron Mountain by Behr has a neutral undertone and sits in the gray color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Iron Mountain in your own space before committing.
What colors match Iron Mountain from other brands?
The closest cross-brand equivalents to Iron Mountain are Stargazer by Sherwin-Williams (a near-identical match), Dark Teal Woods by PPG (a near-identical match), Night Rendezvous by PPG (a near-identical match) — the best options for getting Iron Mountain's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Iron Mountain?
Iron Mountain has a Light Reflectance Value (LRV) of 17.3, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Iron Mountain
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 Iron Mountain's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.