Color

#81dfdd

#81dfdd
hex#81dfdd
rgbrgb(129, 223, 221)
hslhsl(179, 59%, 69%)
oklchoklch(0.845 0.09 193.8)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6266

Colors that go with #81dfdd

Charcoal, Dark Salmon 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.

Real palettes that use #81dfdd

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df8183

#81dfae · #81b2df

#dd81df · #dfdd81

Split-complementary

Open in tool →

#df81b2 · #dfae81

#ae81df · #df8183 · #b2df81

Contrast

#81dfdd as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #218280 as the text (4.6:1)
  • AAA: use #196160 as the text (7.19:1)
  • AA: or shift the background to #595959 (4.51:1)
  • AAA: or shift the background to #3b3b3b (7.22:1)
Aaon black
13.53:1passpasspassPasses 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 #81dfdd 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 #81dfdd
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 #81dfdd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81dfdd-a2bbbe-d45996-1f272d-e9f1ed?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