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Sherwin Williams Green Onyx: complete color review

Want to paint your home a warm green paint color? Let’s talk about Sherwin Williams Green Onyx and if it might be perfect for your home!

Green paint colors are really trending right now, which is not surprising with a push towards warm, cozy interiors.

As you can imagine, because of this warm green paint colors are particularly popular. Of warm, green paint colors, olive green is one of the most well known warm green color families.

Today I want to talk about one of my favorite olive green paint colors, Sherwin-Williams Green Onyx.

Let’s dive in to see if this might be the perfect paint color for your home!

Sherwin Williams Green Onyx paint color guide

Sherwin Williams Green Onyx SW9128

Green Onyx is a beautiful, warm toned olive green paint color. It is mid-toned – not too light and not too dark – and is perfect for a cozy, earthy room!

Click here to get a peel & stick sample of Green Onyx!

Color Family

Green Onyx is in the green color family and is considered a shade of olive green.

Light Reflectance Value


Light Reflective Value is the measurement of how much light a color bounces around. This is on a scale of 0 to 100 with 0 being pure black and 100 being pure white.

With an LRV of 31, Green Onyx is a mid toned paint color. It’s not super dark, but not super light, either.

It will look lighter in a bright room and darker in a room with less natural lighting.

Warm toned lighting will also bring out the yellow undertones, while it will look more true-green in cool lighting.

RGB Colors

R:152 G:154 B:130

RGB describes the amount of each color – red, green, and blue – present in a color. This is on a scale of 0 to 255 for each color. This is basically the color mix to make the color!

Hex Code


sw green onyx


Green Onyx is a warm toned paint colors with yellow and warm gray undertones. This is what gives it it’s muted, olive coloring.

It’s very important to swatch colors on your wall to make sure they look good – day and night – in your actual space before committing.

Click here to get removable peel & stick paint samples to easily swatch with!

Best uses

This color is slightly bold without being too dark. I love it for:

  • All of the walls in a large, bright room
  • Accent wall paired with warm white other walls
  • Cabinetry
  • A piece of furinure

Similar Colors

  • Benjamin Moore Creekside Green
  • Benjamin Moore Kennebunkport Green
  • Behr Aged Eucalyptus
  • Valspar Tuscan Olive

Click here to get a peel & stick sample of Green Onyx!

Coordinating Colors

Sherwin Williams Green Onyx is a rich hue that pairs wonderfully with various color families. I like to pair it with warm neutrals, lighter greens, and moody blues.

Warm neutrals

See all of my favorite beige paint colors here!

Lighter greens

  • Liveable Green
  • Svelte Sage
  • Filmy Green

See all of my favorite light green paint colors here!

Moody blues

  • Naval
  • Rainstorm
  • Drizzle

See all of my favorite blue-gray paint colors here!

Trim Colors

Since this is a warm toned color, I prefer to pair it with a slightly warm, soft white trim paint color.

Soft white trim colors:

Click here to get a peel & stick sample of Green Onyx!

Sherwin Williams Green Onyx color palette

Want to use this paint color in your home? Instantly upgrade your home’s aesthetic with our exclusive paint color palette. Unlock the perfect trim color and six stunning accent colors, a combination of neutrals and bold hues for an instantly harmonious space!

Get your perfect paint color palette by clicking here!

green onyx paint color palette

Still not sure what paint color to choose?

paint color formula square mockup

My Paint Color Formula ebook walks you through the painless process of expertly testing paint swatches to ensure you have the perfect color for your home.

Learn more about the Paint Color Formula here!

The best way to sample paint? Samplize!

Get peel-and-stick removable and reusable paint samples here!

Paint color Planner mock up

Thanks for reading!

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