Onyx 2133-10 is a gray paint color from Benjamin Moore. It has a hex value of #363535, estimated LRV 4 and a neutral undertone. Its closest cross-brand match is Sayward Pine from Hirshfield's (nearly identical), with 49 more equivalents across other brands.
Benjamin Moore · #363535 · 2133-10
Onyx
4%Estimated LRV
NeutralUndertone
Onyx Technical Profile
HEX Code#363535
RGB54, 53, 53
Estimated LRV3.6
UndertoneNeutral
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familygray
BrandBenjamin Moore
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Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
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Compare alternatives to Onyx
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Sayward Pine
Hirshfield's
#383839
Close digital match
Black Magic
Sherwin-Williams
#323132
Close digital match
Pitch Black
Farrow & Ball
#3B3938
Close digital match
Black
Dunn-Edwards
#3B3A3A
Close digital match
Mystic Black
Kilz
#383938
Similar digital color
Onyx Black
PPG
#3C3B3C
Similar digital color
Tomcat
Valspar
#2F2F2F
Similar digital color
True Black
Dutch Boy
#2F2F30
Similar digital color
Limousine Leather
Behr
#3C3C3D
Similar digital color
Black Licorice
Vista Paint
#373938
Similar digital color
Umbra Grey
RAL
#332F2C
Similar digital color
Nourish .06
Colorhouse
#313536
Similar digital color
Seeing a close call? Order a peel-and-stick sample of Onyx — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Onyx
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Onyx
#363535
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#5F4F3F
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Onyx
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Onyx Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Benjamin Moore Colors
Other Benjamin Moore colors close to Onyx.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Onyx — Frequently Asked Questions
What undertone does Onyx have?
Onyx by Benjamin Moore has a neutral undertone and sits in the gray color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Onyx from other brands?
The closest cross-brand equivalents to Onyx are Sayward Pine by Hirshfield's (a close digital match), Black Magic by Sherwin-Williams (a close digital match), Pitch Black by Farrow & Ball (a close digital match) — the best options for getting Onyx's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Onyx?
Onyx has a estimated lightness value of 3.6, on a scale where 0 is pure black and 100 is pure white — that makes it a deep, dramatic color best saved for accent walls, dining rooms, and cozy spaces where atmosphere matters more than reflected light.
Explore More with Onyx
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Onyx's neutral undertone matters more than its surface color — and how to read undertones in any paint chip.