Color

#81daee

#81daee
hex#81daee
rgbrgb(129, 218, 238)
hslhsl(191, 76%, 72%)
oklchoklch(0.84 0.09 213.8)
Closest name: Cold Blue (#88dddd)Relative luminance 0.6098

Colors that go with #81daee

Charcoal, Dark Salmon and Deep Sky 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.

Real palettes that use #81daee

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee9581

#81eecb · #81a4ee

#ee81da · #daee81

Split-complementary

Open in tool →

#ee81a4 · #eecb81

#cb81ee · #ee9581 · #a4ee81

Contrast

#81daee as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #158099 as the text (4.59:1)
  • AAA: use #0f5e70 as the text (7.35:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.04:1)
Aaon black
13.2:1passpasspassPasses 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 #81daee 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

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

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

tool url/palettes/new/81daee-a2b6be-df4e7a-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