Mountain AC-20 is a gray paint color from Benjamin Moore. It has a hex value of #758F89, estimated LRV 25 and a neutral undertone. Its closest cross-brand match is Northern Green Woods from PPG (nearly identical), with 49 more equivalents across other brands.
Benjamin Moore · #758F89 · AC-20
Mountain
25%Estimated LRV
NeutralUndertone
Mountain Technical Profile
HEX Code#758F89
RGB117, 143, 137
Estimated LRV25.2
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
BrandBenjamin Moore
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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 Mountain
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Northern Green Woods
PPG
#718E86
Close digital match
Dragonfly
Behr
#72908D
Close digital match
Blueridge Fir
Valspar
#768B82
Similar digital color
Underseas
Sherwin-Williams
#7C8E87
Similar digital color
Cattails
Dutch Boy
#7C8E87
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Aspen Hush
Dunn-Edwards
#6A8D88
Similar digital color
Miracle Bay
Vista Paint
#7B9392
Similar digital color
Miracle Bay
Hirshfield's
#799292
Similar digital color
Green Cast
Kilz
#689091
Similar digital color
Oval Room Blue
Farrow & Ball
#8B9D9B
Visible digital difference
Water .05
Colorhouse
#82979D
Visible digital difference
Traffic Grey A
RAL
#8D948D
Visible digital difference
Seeing a close call? Order a peel-and-stick sample of Mountain — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With 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
Mountain
#758F89
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#85A2AD
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Mountain
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
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 Benjamin Moore Colors
Other Benjamin Moore colors close to 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.
Mountain — Frequently Asked Questions
What undertone does Mountain have?
Mountain by Benjamin Moore 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 Mountain from other brands?
The closest cross-brand equivalents to Mountain are Northern Green Woods by PPG (a close digital match), Dragonfly by Behr (a close digital match), Dragonfly by Behr (a very close match) — the best options for getting 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 Mountain?
Mountain has a estimated lightness value of 25.2, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with 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 Mountain's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.