Color spec
| Brand | Sherwin-Williams |
| Name | Acier |
| SKU | SW 9170 |
| Hex | #9E9991 |
| RGB | 158, 153, 145 |
| HSL | 37°, 6%, 59% |
| LRV | 32 |
| Undertone | warm red-orange tone |
| Family | Neutral |
About Sherwin-Williams Acier
Acier sits in the mid-range at LRV 32, so it shifts visibly through the day — lighter and more open in morning light, deeper and moodier after dark. Its orange undertone is the part to watch: it gets picked up by whatever sits next to it, so test it against your trim, floor and the room's main light before committing. South-facing rooms will pull it lighter and warmer, while north light cools it down.
Acier is versatile enough for full rooms but has enough depth to anchor a space, so it suits living rooms, bedrooms and cabinetry alike. Greige-leaning neutrals like this are the safe whole-home choice when you want warmth without committing to a color.
Closest matches by brand
18 brands within ΔE 5The closest matches per brand by ΔE2000, computed against each brand's full deck. Only colors within ΔE 5 (close enough to substitute on a wall) are shown — brands with no real match are left off. Tap any swatch for its full single-color spec; tap the brand title to browse all neutral from that brand.
Behr
Benjamin Moore
Valspar
PPG / Glidden
Glidden
Dutch Boy
HGTV Home by Sherwin-Williams
Dunn-Edwards
Magnolia Home
Farrow & Ball
Diamond Vogel
Hirshfield's
Rodda
C2 Paint
Clare
Portola Paints
Rust-Oleum
Kompozit
Similar Sherwin-Williams colors
closest in the Sherwin-Williams deckThe nearest shades to Acier within Sherwin-Williams's own range, ranked by perceptual color distance — useful when you want the same look a touch lighter, darker, or warmer.
Coordinated palette
Generated by hue-rotating #9E9991 in HSL space. Pair Acier with one accent and one neutral — the swatches below are starting points, not final picks.
Accessibility (WCAG contrast)
WCAG 2.1: AA = 4.5:1 normal text · AA Large = 3:1 large text · AAA = 7:1 normal text.
Sherwin-Williams Acier Equivalents at Other Brands
Matching Acier from a different paint counter? Below is the single closest color in each major US deck and how close it really is. Remember that any paint store can also custom-tint Sherwin-Williams SW 9170 directly — these equivalents are for when you'd rather stay inside one brand's own deck.
Behr Equivalent of Acier
At Behr, the closest color to Acier is Moon Rock (QE-58) — very close at ΔE 2.38, though not an exact twin. It sits at the same lightness (LRV 32 vs 32) and carries a warm red-orange undertone; sample both side by side if the room gets strong natural light. See the full Moon Rock swatch →
Benjamin Moore Equivalent of Acier
Benjamin Moore has no exact twin of Acier. The nearest is Arctic Shadows (1559) at ΔE 3.7 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 32 vs 32). Compare large swatches before substituting. See the full Arctic Shadows swatch →
Valspar Equivalent of Acier
Valspar's nearest match is Stone Age (M102), visually identical in normal room light (ΔE 1.63). It sits at the same lightness (LRV 31.5 vs 32) and carries a true neutral undertone, so it substitutes for Acier without repainting risk. See the full Stone Age swatch →
PPG / Glidden Equivalent of Acier
At PPG / Glidden, the closest color to Acier is Winter Cocoa (PPG1000-4) — very close at ΔE 2.95, though not an exact twin. It sits at the same lightness (LRV 32 vs 32) and carries a warm red-orange undertone; sample both side by side if the room gets strong natural light. See the full Winter Cocoa swatch →
Glidden Equivalent of Acier
At Glidden, the closest color to Acier is Stone Grey (30YY 31/024) — very close at ΔE 2.56, though not an exact twin. It sits at the same lightness (LRV 31 vs 32) and carries a true neutral undertone; sample both side by side if the room gets strong natural light. See the full Stone Grey swatch →
Dutch Boy Equivalent of Acier
Dutch Boy's nearest match is Dusky Gray (439-3DB), visually identical in normal room light (ΔE 1.18). It sits at the same lightness (LRV 32 vs 32) and carries a warm red-orange undertone, so it substitutes for Acier without repainting risk. See the full Dusky Gray swatch →
HGTV Home by Sherwin-Williams Equivalent of Acier
At HGTV Home by Sherwin-Williams, the closest color to Acier is Highland Grey (HGSW 2444) — very close at ΔE 2.76, though not an exact twin. It sits at the same lightness (LRV 32 vs 32) and carries a warm red-orange undertone; sample both side by side if the room gets strong natural light. See the full Highland Grey swatch →
Dunn-Edwards Equivalent of Acier
Dunn-Edwards's nearest match is Beachwood Drive (DEGR07), visually identical in normal room light (ΔE 1.09). It sits at the same lightness (LRV 32 vs 32) and carries a warm red-orange undertone, so it substitutes for Acier without repainting risk. See the full Beachwood Drive swatch →
Magnolia Home Equivalent of Acier
Magnolia Home's nearest match is Watering Can (JG-135), visually identical in normal room light (ΔE 1.44). It runs slightly lighter (LRV 34 vs 32) and carries a warm red-orange undertone, so it substitutes for Acier without repainting risk. See the full Watering Can swatch →
Farrow & Ball Equivalent of Acier
Farrow & Ball's nearest match is Worsted (NO. 284), visually identical in normal room light (ΔE 1.76). It sits at the same lightness (LRV 33 vs 32) and carries a true neutral undertone, so it substitutes for Acier without repainting risk. See the full Worsted swatch →
Diamond Vogel Equivalent of Acier
Diamond Vogel has no exact twin of Acier. The nearest is Everlasting Sage (0422) at ΔE 4.44 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 32 vs 32). Compare large swatches before substituting. See the full Everlasting Sage swatch →
Hirshfield's Equivalent of Acier
Hirshfield's has no exact twin of Acier. The nearest is Jet Gray (0548) at ΔE 4.25 — close, but the difference shows next to trim and in side light. It runs slightly lighter (LRV 34 vs 32). Compare large swatches before substituting. See the full Jet Gray swatch →
Rodda Equivalent of Acier
Rodda has no exact twin of Acier. The nearest is Burlap (CA070) at ΔE 4 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 31 vs 32). Compare large swatches before substituting. See the full Burlap swatch →
C2 Paint Equivalent of Acier
At C2 Paint, the closest color to Acier is Alloy (C2-971) — very close at ΔE 2.5, though not an exact twin. It sits at the same lightness (LRV 32 vs 32) and carries a warm yellow undertone; sample both side by side if the room gets strong natural light. See the full Alloy swatch →
Clare Equivalent of Acier
Clare has no exact twin of Acier. The nearest is Shade (PNT100-MD-14) at ΔE 4.11 — close, but the difference shows next to trim and in side light. It runs slightly darker (LRV 28 vs 32). Compare large swatches before substituting. See the full Shade swatch →
Kompozit Equivalent of Acier
Kompozit has no exact twin of Acier. The nearest is Jet Gray (0548) at ΔE 4.25 — close, but the difference shows next to trim and in side light. It sits at the same lightness (LRV 33 vs 32). Compare large swatches before substituting. See the full Jet Gray swatch →