Onyx (2133-10) is a true black from Benjamin Moore with no strong undertone. Its LRV is about 3.6 (very dark): it absorbs almost all light for a dramatic, enveloping look. plan for good artificial lighting. The closest match in another brand is Sherwin-Williams Black Magic (96% match).

Compare Onyx with other brands

Three catalogs stay in the list — tap another card to swap the last column. Matches are estimates from digital values, not official conversions. Always check a real sample.

LRV

3.6 · Very dark

Undertone

None (neutral)

Temperature

Neutral

Code

2133-10

HEX

#363535

RGB

54, 53, 53

HSL

0°, 1%, 21%

Family

Blacks

Colors similar to Onyx in Benjamin Moore

Neighboring tones from the same fan deck, if you want a shade lighter, darker, warmer, or cooler.

Onyx FAQ

What undertone does Onyx have?

Onyx has no strong undertone: it reads as a true black. Its color temperature is neutral. This is estimated from the digital color values; north-facing light pulls undertones cooler and warm bulbs pull them warmer, so check a real sample on your wall.

What is the LRV of Onyx?

Onyx has an LRV (Light Reflectance Value) of about 3.6 on a 0–100 scale, which is very dark. It absorbs almost all light for a dramatic, enveloping look. Plan for good artificial lighting.

What is the closest match to Onyx in other brands?

Sherwin-Williams: Black Magic (SW 6991), 96%; Dunn-Edwards: Black (DEA002), 95%; HGTV Home by Sherwin-Williams: Caviar (HGSW6990), 95%; Valspar: Tomcat (8006-12G), 94%; Behr: Limousine Leather (MQ5-05), 94%; Farrow & Ball: Pitch Black (No. 256), 93%; PPG: Starless Sky (PPG0995-7), 93%; Glidden: Starless Sky (PPG0995-7), 93%. Matches are estimated from digital color values and are not official conversions; always compare a real sample of both.

What is the HEX code of Onyx?

The HEX code of Onyx (2133-10) is #363535, RGB 54, 53, 53. Use it for digital mockups; painted color will vary with light and sheen.