Color

#81effd

#81effd
hex#81effd
rgbrgb(129, 239, 253)
hslhsl(187, 97%, 75%)
oklchoklch(0.892 0.103 206.3)
Closest name: Bath Water (#88eeee)Relative luminance 0.7349

Colors that go with #81effd

Charcoal, Deep Sky Blue and Midnight 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd9081

#81fdce · #81b1fd

#fd81ef · #effd81

Split-complementary

Open in tool →

#fd81b1 · #fdce81

#ce81fd · #fd9081 · #b1fd81

Contrast

#81effd as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #028192 as the text (4.61:1)
  • AAA: use #02626f as the text (7.05:1)
  • AA: or shift the background to #616161 (4.63:1)
  • AAA: or shift the background to #454545 (7.17:1)
Aaon black
15.7:1passpasspassPasses 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 #81effd 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

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

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

tool url/palettes/new/81effd-a2b8be-df4e83-1f262d-e9f1ee?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