Color

#81cbda

#81cbda
hex#81cbda
rgbrgb(129, 203, 218)
hslhsl(190, 55%, 68%)
oklchoklch(0.799 0.076 211.9)
Closest name: Dolphin (#86c4da)Relative luminance 0.5244

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da8f81

#81dabc · #819eda

#da81cb · #cbda81

Split-complementary

Open in tool →

#da819e · #dabc81

#bc81da · #da8f81 · #9eda81

Contrast

#81cbda as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #2a8192 as the text (4.51:1)
  • AAA: use #1f5e6b as the text (7.31:1)
  • AA: or shift the background to #4d4d4d (4.62:1)
  • AAA: or shift the background to #303030 (7.22:1)
Aaon black
11.49:1passpasspassPasses 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 #81cbda 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

#81cbda reads as cool, modern. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/81cbda-a2b6be-df4e7c-1f252d-e9f1ef?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