Color

#81e36d

#81e36d
hex#81e36d
rgbrgb(129, 227, 109)
hslhsl(110, 68%, 66%)
oklchoklch(0.829 0.181 140.3)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6071

Colors that go with #81e36d

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 →

#d06de3

#bce36d · #6de395

#6d81e3 · #e36d81

Split-complementary

Open in tool →

#956de3 · #e36dbc

#6dbce3 · #d06de3 · #e3956d

Contrast

#81e36d as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #2b8519 as the text (4.7:1)
  • AAA: use #206313 as the text (7.35:1)
  • AA: or shift the background to #575757 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.14:1passpasspassPasses 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 #81e36d as the background.

Brands using this color

mcpConnect your agent — build around #81e36d
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 #81e36d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81e36d-a3bea2-814edf-1f2d23-eef1e9?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