Benjamin Moore Steel Wool#787B7D · LRV null
Steel Wool reads as a true neutral (no measurable hue) — very dark — reads black in most rooms. The notes below cover the spec, what Benjamin Moore 2121-20 actually looks like under different light, and the closest matches at competing US brands.
Color spec
| Brand | Benjamin Moore |
| Name | Steel Wool |
| SKU | 2121-20 |
| Hex | #787B7D |
| RGB | 120, 123, 125 |
| HSL | 204°, 2%, 48% |
| LRV | null |
| Undertone | true neutral (no measurable hue) |
| Family | Gray |
About Benjamin Moore Steel Wool
At LRV null, Steel Wool is about as dark as paint gets — it reads near-black on a wall and reveals its character only in direct daylight or under warm bulbs. Because it carries almost no measurable hue, it stays a true neutral and pairs cleanly with nearly any trim or floor. In rooms with little natural light it can feel heavy, so reserve it for spaces you want to feel enveloping.
Steel Wool earns its keep as a statement: accent walls, a front door, cabinetry, a moody powder room, or exterior trim where you want sharp contrast. Grays like this read as a modern neutral and sit comfortably alongside both warm woods and cool metals.
Kompozit alternative
The closest hex in the Kompozit deck, ranked by ΔE2000 (perceptual color difference). ΔE under 2 is indistinguishable to most eyes; under 5 is a very close visual match.
Closest matches at every US brand
9 brands · top 5 each5 closest matches per brand by ΔE2000, computed against each brand's full deck. Tap any swatch for its full single-color spec; tap the brand title to browse all gray from that brand.
Behr
Dunn-Edwards
Clare
Sherwin-Williams
Valspar
PPG / Glidden
Magnolia Home
Farrow & Ball
Similar Benjamin Moore colors
closest in the Benjamin Moore deckThe nearest shades to Steel Wool within Benjamin Moore'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 #787B7D in HSL space. Pair Steel Wool 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.