Green Onyx 9128 is a gray paint color from Sherwin-Williams. It has a hex value of #989A82, LRV 31 and a cool (green) undertone. Its closest cross-brand match is Shadow Taupe from Behr (nearly identical), with 49 more equivalents across other brands.
Ref. #989A82 · 9128
Green Onyx
31%LRV Value
Cool (Green)Undertone
Green Onyx Technical Profile
Use this color
Get this color
Some sample and supply links are affiliate links — if you buy through them, Paint Color HQ may earn a small commission at no extra cost to you. It helps keep the site free.
Green Onyx in Every Brand
The closest equivalent to Green Onyx in each major paint brand, ranked by how close the match reads. Always verify with a physical sample. How we calculate match accuracy →
Sherwin-WilliamsGreen Onyx
Nearly identical
BehrShadow Taupe
Shadow Taupe
Behr
Nearly identical
Wainscot Green
Hirshfield's
Nearly identical
Battle Harbor
Dunn-Edwards
Nearly identical
Mistletoe
Benjamin Moore
Nearly identical
Wainscot Green
Vista Paint
Nearly identical
Tuscan Olive
Valspar
Nearly identical
Restoration
PPG
Very similar
Lichen
Farrow & Ball
Very similar
Cypress Garden
Dutch Boy
Very similar
Weeping Willow
Kilz
Very similar
Glass .04
Colorhouse
Very similar
Stone Grey
RAL
Visible difference
Seeing a close call? Order a peel-and-stick sample of Green Onyx — or sample it next to its top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Recommended Pairings
Colors That Work With Green Onyx
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Green Onyx
#989A82
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#96AD85
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Green Onyx
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Green 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 Sherwin-Williams Colors
Other Sherwin-Williams colors close to Green 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.
Green Onyx — Frequently Asked Questions
What undertone does Green Onyx have?
Green Onyx by Sherwin-Williams has a cool (green) undertone and sits in the gray color family. The undertone shifts with light — warmer under 2700K bulbs, cleaner and cooler under 4000K daylight — so sample Green Onyx in your own space before committing.
What colors match Green Onyx from other brands?
The closest cross-brand equivalents to Green Onyx are Shadow Taupe by Behr (a near-identical match), Wainscot Green by Hirshfield's (a near-identical match), Battle Harbor by Dunn-Edwards (a near-identical match) — the best options for getting Green 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 Green Onyx?
Green Onyx has a Light Reflectance Value (LRV) of 31.4, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-depth color with real presence — strong on accent walls, libraries, and rooms with good natural light.
Explore More with Green 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 Green Onyx's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.