Sherwin Williams

Acier

SW 9170

Acier (hex #9E9991) is a medium-depth neutral with a cool, stone-like undertone balanced by a slight warm cast. At an LRV of 32, it falls in the low-mid brightness range, reading as a taupe-gray blend with low chroma and an earthy base. It avoids feeling sterile due to its balanced warm-cool composition.

Sherwin-Williams Mindful Gray or Repose Gray work well for a layered, tonal interior alongside Acier, while darker anchors like Iron Ore or Greenblack provide clear contrast. Crisp whites such as Pure White or Snowbound highlight its softness without overpowering the wall color.

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Brand

Sherwin Williams

Code

SW 9170

Collection

Urban Color Scheme 1, Carolina Scheme 3, Holiday Retirement Scheme 2

Acier in Real Homes (14 Photos)

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Acier in Different Light

Artificial Lighting

Bedroom scene to simulate Sherwin Williams Acier under artificial light

Light Temperature: 2700K

Natural Lighting

Living room scene to simulate Sherwin Williams Acier under natural light

Light Temperature: 4500K

Technical Specifications

Undertones

Type

Orange

Strength

Low

Temperature

neutral

Hue Angle

37°

Orange Family

Lightness

59%

Medium

Saturation

Very Muted

LRV

32.0

0%100%

Very Dark

Dark

Medium

Light

Very Light

White

Color Position

Saturation →

Lightness →

Color Codes

HEX

#9E9991

RGB Decimal

158, 153, 145

RGB Percent

62.0%, 60.0%, 56.9%

HSL

36.9, 6.3%, 59.4%

HSV

36.9, 8.2%, 62.0%

CMYK

0.0%, 3.2%, 8.2%, 38.0%

YIQ

153.6, 5.6, -1.4

XYZ

30.60, 32.10, 31.37

CIE Lab

63.42, 0.36, 4.84

CIE Luv

63.42, 3.39, 6.77

Hunter Lab

56.65, 0.31, 4.06

Decimal

10394001

Coordinating Colors and Color Palettes

Darker Shades

Monochromatic dark

Acier Sweater Weather Mountain Smoke Dark Woods

Lighter Shades

Monochromatic light

Acier Grey Mist Gravel Drive Salt

Complementary

Opposite on color wheel

Acier Smokey Lilac Charcoal Linen Dreamy

Analogous

Adjacent colors

Acier Wandering Willow Auger Shell Acacia Haze

Closest Paint Matches

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Fashion Gray

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Rock Slide

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Barrister Gray

Preview Your Space

Visualize Before You Decide

Preview how paint colors and design ideas may look in a real space before committing. Visual comparisons can help narrow options and reduce costly mistakes.