Color

#81e368

#81e368
hex#81e368
rgbrgb(129, 227, 104)
hslhsl(108, 69%, 65%)
oklchoklch(0.829 0.185 139.6)
Closest name: Herbivore (#88ee77)Relative luminance 0.606

Colors that go with #81e368

Charcoal, Deep Sky Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cb68e3

#bee368 · #68e38d

#6881e3 · #e36881

Split-complementary

Open in tool →

#8d68e3 · #e368be

#68bee3 · #cb68e3 · #e38d68

Contrast

#81e368 as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #2e8619 as the text (4.63:1)
  • AAA: use #226312 as the text (7.34:1)
  • AA: or shift the background to #575757 (4.51:1)
  • AAA: or shift the background to #383838 (7.33:1)
Aaon black
13.12:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #81e368 as the background.

Brands using this color

mcpConnect your agent — build around #81e368
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81e368 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81e368-a4bea2-7c4edf-1f2d23-eff1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md