Color

#81ed0c

#81ed0c
hex#81ed0c
rgbrgb(129, 237, 12)
hslhsl(89, 90%, 49%)
oklchoklch(0.847 0.244 134.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.6526

Colors that go with #81ed0c

Deep Sky Blue, Violet and Charcoal 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 →

#790ced

#edea0c · #10ed0c

#0c81ed · #ed0c81

Split-complementary

Open in tool →

#0c10ed · #ea0ced

#0cedea · #790ced · #ed0c10

Contrast

#81ed0c as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #478307 as the text (4.65:1)
  • AAA: use #356105 as the text (7.33:1)
  • AA: or shift the background to #595959 (4.69:1)
  • AAA: or shift the background to #3d3d3d (7.27:1)
Aaon black
14.05:1passpasspassPasses 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 #81ed0c 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 #81ed0c
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 #81ed0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81ed0c-adbea2-4e4edf-212d1f-f1f1e9?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