Color

#81f3bc

#81f3bc
hex#81f3bc
rgbrgb(129, 243, 188)
hslhsl(151, 83%, 73%)
oklchoklch(0.882 0.131 161)
Closest name: Jittery Jade (#77eebb)Relative luminance 0.724

Colors that go with #81f3bc

Charcoal, Plum 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 →

#f381b8

#81f383 · #81f1f3

#bc81f3 · #f3bc81

Split-complementary

Open in tool →

#f381f1 · #f38381

#8381f3 · #f381b8 · #f1f381

Contrast

#81f3bc as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #0d874c as the text (4.58:1)
  • AAA: use #096237 as the text (7.46:1)
  • AA: or shift the background to #616161 (4.57:1)
  • AAA: or shift the background to #454545 (7.07:1)
Aaon black
15.48:1passpasspassPasses 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 #81f3bc 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

#81f3bc reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81f3bc
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 #81f3bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81f3bc-a2beb4-d459d0-1f2d2c-e9f1ea?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