Color

#81dfda

#81dfda
hex#81dfda
rgbrgb(129, 223, 218)
hslhsl(177, 59%, 69%)
oklchoklch(0.844 0.09 191.2)
Closest name: Cold Blue (#88dddd)Relative luminance 0.625

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df8186

#81dfab · #81b5df

#da81df · #dfda81

Split-complementary

Open in tool →

#df81b5 · #dfab81

#ab81df · #df8186 · #b5df81

Contrast

#81dfda as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #21827d as the text (4.61:1)
  • AAA: use #19615e as the text (7.21:1)
  • AA: or shift the background to #595959 (4.5:1)
  • AAA: or shift the background to #3b3b3b (7.2:1)
Aaon black
13.5:1passpasspassPasses 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 #81dfda 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 #81dfda
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 #81dfda and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81dfda-a2bcbe-d4599b-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