Benjamin Moore

Millstone Gray

1581

Benjamin Moore Millstone Gray (1581) is a deep gray with a pronounced green undertone that distinguishes it from neutral or blue-leaning grays. With an LRV of 16.96, it absorbs a significant amount of light, making it best suited for spaces where low reflectance is intentional. The green cast becomes more apparent in daylight and can shift toward olive under warm artificial lighting.

It coordinates naturally with the lighter gray-green of Duxbury Gray (HC-163), the deeper weight of Dakota Shadow (448), the muted warmth of Wall Street (CSP-20), and the balanced mid-tone of Gray Gardens (CSP-55).

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Brand

Benjamin Moore

Code

1581

Collection

Benjamin Moore Classics

Millstone Gray in Different Light

Artificial Lighting

Bedroom scene to simulate Benjamin Moore Millstone Gray under artificial light

Light Temperature: 2700K

Natural Lighting

Living room scene to simulate Benjamin Moore Millstone Gray under natural light

Light Temperature: 4500K

Technical Specifications

Undertones

Type

Green

Strength

Very Low

Temperature

neutral

Hue Angle

120°

Green Family

Lightness

43%

Medium

Saturation

Near Neutral

LRV

17.0

0%100%

Very Dark

Dark

Medium

Light

Very Light

White

Color Position

Saturation →

Lightness →

Color Codes

HEX

#6A716A

RGB Decimal

106, 113, 106

RGB Percent

41.6%, 44.3%, 41.6%

HSL

120.0, 3.2%, 42.9%

HSV

120.0, 6.2%, 44.3%

CMYK

6.2%, 0.0%, 6.2%, 55.7%

YIQ

110.1, -1.9, -3.7

XYZ

14.45, 15.92, 15.95

CIE Lab

46.86, -4.10, 2.96

CIE Luv

46.86, -3.54, 4.57

Hunter Lab

39.89, -3.12, 2.23

Decimal

6975850

Coordinating Colors and Color Palettes

Darker Shades

Monochromatic dark

Millstone Gray Black Widow Space Black Sable Calm

Lighter Shades

Monochromatic light

Millstone Gray Intrigue Stepping Stone Solitary State

Complementary

Opposite on color wheel

Millstone Gray Plum Shadow Paean Black Novel Lilac

Analogous

Adjacent colors

Millstone Gray City Shadow Sage Slate Rocky Coast

Closest Paint Matches

Benjamin Moore

Millstone Gray

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Sea Grove

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Shadows

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Millstone Gray

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Heritage Park

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Millstone Gray

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Dark Ash

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Millstone Gray

Glidden

Up In Smoke

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Campground

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Victorian Tapestry

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Homburg Gray

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Millstone Gray

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Portland Twilight

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Welded Iron

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Gunmetal

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Millstone Gray

Glidden

Slate Mine

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Millstone Gray

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Cushing Green

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Arctic Seal

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Almost Charcoal

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Rocky Coast

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