Color

#81ceea

#81ceea
hex#81ceea
rgbrgb(129, 206, 234)
hslhsl(196, 71%, 71%)
oklchoklch(0.811 0.086 223.2)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5475

Colors that go with #81ceea

Charcoal, Dark Salmon and Denim 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 #81ceea

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ea9d81

#81ead1 · #8199ea

#ea81ce · #ceea81

Split-complementary

Open in tool →

#ea8199 · #ead181

#d181ea · #ea9d81 · #99ea81

Contrast

#81ceea as textRatioAAAA largeAAAFix
Aaon white
1.76:1failfailfail
  • AA: use #1b7ea1 as the text (4.62:1)
  • AAA: use #155f7a as the text (7.12:1)
  • AA: or shift the background to #4f4f4f (4.66:1)
  • AAA: or shift the background to #333333 (7.19:1)
Aaon black
11.95:1passpasspassPasses 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 #81ceea as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#81ceea reads as cool, vivid, light. The font library is tagged with the same vocabulary:

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

tool url/palettes/new/81ceea-9cb5c4-df4e6e-1f232d-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