Color

#81df77

#81df77
hex#81df77
rgbrgb(129, 223, 119)
hslhsl(114, 62%, 67%)
oklchoklch(0.821 0.166 141.9)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5877

Colors that go with #81df77

Plum, Charcoal and Deep Sky Blue 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 →

#d577df

#b5df77 · #77dfa0

#7781df · #df7781

Split-complementary

Open in tool →

#a077df · #df77b5

#77b5df · #d577df · #dfa077

Contrast

#81df77 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #2a8820 as the text (4.52:1)
  • AAA: use #1f6317 as the text (7.35:1)
  • AA: or shift the background to #545454 (4.6:1)
  • AAA: or shift the background to #383838 (7.12:1)
Aaon black
12.75:1passpasspassPasses 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 #81df77 as the background.

Brands using this color

mcpConnect your agent — build around #81df77
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 #81df77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81df77-a2bea2-8a4edf-1f2d24-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