Color

#81cfbb

#81cfbb
hex#81cfbb
rgbrgb(129, 207, 187)
hslhsl(165, 45%, 66%)
oklchoklch(0.798 0.083 176)
Closest name: Bevelled Glass (#7accb8)Relative luminance 0.5288

Colors that go with #81cfbb

Charcoal, Lilac and Crimson 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.

Real palettes that use #81cfbb

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cf8195

#81cf95 · #81bccf

#bc81cf · #cfbc81

Split-complementary

Open in tool →

#cf81bc · #cf9581

#9581cf · #cf8195 · #bccf81

Contrast

#81cfbb as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #31816d as the text (4.68:1)
  • AAA: use #246051 as the text (7.32:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.28:1)
Aaon black
11.58:1passpasspassPasses 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 #81cfbb 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 #81cfbb
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 #81cfbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81cfbb-a2beba-d459b3-1f2b2d-e9f1eb?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