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Onyx 2133-10
On-screen approximation from the published RGB value. Order a physical sample before you decide.
Undertone: No measurable undertone (true neutral)
In CIELAB, Onyx sits at L* 21.8, a* 0.4, b* 0.2. Its hue angle is 20° and its chroma is 0.5, so it has essentially no color cast — a true neutral that will pick up the color of the light and surroundings. It classifies as neutral. Among Benjamin Moore colors with a similar LRV (±5), it is warmer (more yellow) than 49%.
LRV 5.0: very dark
Light Reflectance Value runs from 0 (absolute black) to 100 (perfect white). At 5.0, Onyx is lighter than 0% of Benjamin Moore colors. Near-black depth. Use on doors, trim, cabinetry, exteriors or moody rooms with strong artificial lighting.
Closest Sherwin-Williams match to Onyx
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Black Magic | SW 6991 | 1.18 | Very close | |
| Caviar | SW 6990 | 1.45 | Very close | |
| Tricorn Black | SW 6258 | 1.85 | Very close |
Closest Behr match to Onyx
Ranked by CIEDE2000 color difference (ΔE) computed from published RGB values. Below 2 is hard to tell apart on the wall; above 4 is a different color. Behr does not publish LRV, so Behr values here are estimates.
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Raven Black | PPF-59 | 2.93 | Close — difference visible side by side | |
| Limousine Leather | MQ5-5 | 2.94 | Close — difference visible side by side | |
| Limousine Leather | MQ5-05 | 2.94 | Close — difference visible side by side |
Similar Benjamin Moore colors
| Color | Code | ΔE2000 | How close | |
|---|---|---|---|---|
| Universal Black | 2118-10 | 0.70 | Practically identical | |
| Twilight Zone | 2127-10 | 0.83 | Practically identical | |
| Space Black | 2119-10 | 0.91 | Practically identical | |
| Jet Black | 2120-10 | 0.91 | Practically identical | |
| Black Beauty | 2128-10 | 1.30 | Very close | |
| Black | HC-190 | 1.31 | Very close |
Lighter and darker versions
Colors from Benjamin Moore with nearly the same hue and saturation, one step lighter or darker.
- Waller Green CW-510 · lighter, LRV 6.1
- Dark Basalt 2072-10 · lighter, LRV 5.2
- Black Tar 2126-10 · lighter, LRV 5.7
- Bucktrout Brown CW-180 · darker, LRV 4.8
- Black Forest Green HC-187 · darker, LRV 4.8
Colors that go with Onyx
Onyx is too close to neutral (chroma 0.5) for hue-based pairings to be meaningful; pair it with any color that shares its lean, and use a crisper white for trim.
Onyx vs popular colors
- Black (Benjamin Moore 2132-10, ΔE 1.3) is about as light.
- Tricorn Black (Sherwin-Williams SW 6258, ΔE 1.8) is darker (LRV 2.8 vs 5.0).
- Soot (Benjamin Moore 2129-20, ΔE 4.7) is about as light, more blue/cool, more green, more saturated.