Color

#81ea81

#81ea81
hex#81ea81
rgbrgb(129, 234, 129)
hslhsl(120, 71%, 71%)
oklchoklch(0.849 0.172 143.9)
Closest name: Herbivore (#88ee77)Relative luminance 0.651

Colors that go with #81ea81

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 →

#ea81ea

#b5ea81 · #81eab5

#8181ea · #ea8181

Split-complementary

Open in tool →

#b581ea · #ea81b5

#81b5ea · #ea81ea · #eab581

Contrast

#81ea81 as textRatioAAAA largeAAAFix
Aaon white
1.5:1failfailfail
  • AA: use #178717 as the text (4.65:1)
  • AAA: use #116411 as the text (7.36:1)
  • AA: or shift the background to #595959 (4.68:1)
  • AAA: or shift the background to #3d3d3d (7.25:1)
Aaon black
14.02:1passpasspassPasses 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 #81ea81 as the background.

Brands using this color

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

Fonts for this mood

#81ea81 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81ea81
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 #81ea81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81ea81-a2bea5-994edf-1f2d25-edf1e9?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