Color

#81dfdc

#81dfdc
hex#81dfdc
rgbrgb(129, 223, 220)
hslhsl(178, 59%, 69%)
oklchoklch(0.845 0.09 192.9)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6261

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df8184

#81dfad · #81b3df

#db81df · #dfdb81

Split-complementary

Open in tool →

#df81b3 · #dfad81

#ad81df · #df8184 · #b3df81

Contrast

#81dfdc as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #21827f as the text (4.6:1)
  • AAA: use #19615f as the text (7.2:1)
  • AA: or shift the background to #595959 (4.51:1)
  • AAA: or shift the background to #3b3b3b (7.21:1)
Aaon black
13.52:1passpasspassPasses 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 #81dfdc 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 #81dfdc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81dfdc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81dfdc-a2bcbe-d45999-1f282d-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