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).

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

Natural Lighting

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

Technical Specifications

Undertones

Type

Green

Strength

Very Low

Temperature

neutral

Hue Angle

120°

Green Family

Lightness

43%

Medium

Saturation

3%

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

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