Iron Mountain N520-5 is a gray paint color from Behr. It has a hex value of #64777A, estimated 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.
Behr · #64777A · N520-5
Iron Mountain
17%Estimated LRV
NeutralUndertone
Iron Mountain Technical Profile
HEX Code#64777A
RGB100, 119, 122
Estimated LRV17.3
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familygray
BrandBehr
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Iron Mountain
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Stargazer
Sherwin-Williams
#60757A
Close digital match
Dark Teal Woods
PPG
#617576
Close digital match
Blue Thunder
Valspar
#637A80
Close digital match
Paradise City
Hirshfield's
#5F7475
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#6B7A7C
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Portsmouth Blue
Vista Paint
#5E7275
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Providence Blue
Benjamin Moore
#677A80
Similar digital color
De Nimes
Farrow & Ball
#6A7C80
Similar digital color
Shadowed Blue
Dutch Boy
#5D7274
Similar digital color
Pike Lake
Dunn-Edwards
#6C7779
Similar digital color
Wool .05
Colorhouse
#587675
Similar digital color
Squirrel Grey
RAL
#78858B
Visible digital difference
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Generated palette previews
Colors That Work With Iron Mountain
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
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
Digital 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. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Iron Mountain from other brands?
The closest cross-brand equivalents to Iron Mountain are Stargazer by Sherwin-Williams (a close digital match), Dark Teal Woods by PPG (a close digital match), Night Rendezvous by PPG (a close digital 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 estimated lightness value 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.