Millstone Gray 1581 is a gray paint color from Benjamin Moore. It has a hex value of #6B726B, LRV 16 and a cool (green) undertone. Its closest cross-brand match is Billowing Smoke from Hirshfield's (nearly identical), with 49 more equivalents across other brands.
Ref. #6B726B · 1581
Millstone Gray
16%LRV Value
Cool (Green)Undertone
Millstone Gray Technical Profile
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Millstone Gray in Every Brand
The closest equivalent to Millstone Gray in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
Benjamin MooreMillstone Gray
Nearly identical
Hirshfield'sBillowing Smoke
Billowing Smoke
Hirshfield's
Nearly identical
Billowing Smoke
Vista Paint
Nearly identical
Kindling
Behr
Nearly identical
Earthy Green
Dutch Boy
Nearly identical
Homburg Gray
Sherwin-Williams
Very similar
Gunmetal Gray
PPG
Very similar
Velvet Clover
Dunn-Edwards
Very similar
Douter
Farrow & Ball
Very similar
Campground
Valspar
Very similar
Mouse Grey
RAL
Very similar
Old Key
Kilz
Very similar
Seeing a close call? Order a peel-and-stick sample of Millstone Gray — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Millstone Gray
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Millstone Gray
#6B726B
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#70A088
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Millstone Gray
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Millstone Gray 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 Millstone Gray.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Millstone Gray — Frequently Asked Questions
What undertone does Millstone Gray have?
Millstone Gray by Benjamin Moore has a cool (green) 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 Millstone Gray in your own space before committing.
What colors match Millstone Gray from other brands?
The closest cross-brand equivalents to Millstone Gray are Billowing Smoke by Hirshfield's (a near-identical match), Billowing Smoke by Vista Paint (a near-identical match), Kindling by Behr (a near-identical match) — the best options for getting Millstone Gray'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 Millstone Gray?
Millstone Gray has a Light Reflectance Value (LRV) of 16.2, 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 Millstone Gray
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 Millstone Gray's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.