Color

#81d588

#81d588
hex#81d588
rgbrgb(129, 213, 136)
hslhsl(125, 50%, 67%)
oklchoklch(0.8 0.135 146.1)
Closest name: Electric Lettuce (#7bd181)Relative luminance 0.5403

Colors that go with #81d588

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 →

#d581ce

#a4d581 · #81d5b2

#8881d5 · #d58881

Split-complementary

Open in tool →

#b281d5 · #d581a4

#81a4d5 · #d581ce · #d5b281

Contrast

#81d588 as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #2d8634 as the text (4.59:1)
  • AAA: use #216327 as the text (7.29:1)
  • AA: or shift the background to #4f4f4f (4.61:1)
  • AAA: or shift the background to #333333 (7.1:1)
Aaon black
11.81:1passpasspassPasses 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 #81d588 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #81d588
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 #81d588 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81d588-a2bea7-a54edf-1f2d26-ecf1e9?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