Color

#81d4e4

#81d4e4
hex#81d4e4
rgbrgb(129, 212, 228)
hslhsl(190, 65%, 70%)
oklchoklch(0.823 0.084 211.2)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5736

Colors that go with #81d4e4

Charcoal, Dark Salmon and Crimson 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 #81d4e4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e49181

#81e4c3 · #81a2e4

#e481d4 · #d4e481

Split-complementary

Open in tool →

#e481a2 · #e4c381

#c381e4 · #e49181 · #a2e481

Contrast

#81d4e4 as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #1f8093 as the text (4.6:1)
  • AAA: use #175f6d as the text (7.26:1)
  • AA: or shift the background to #525252 (4.64:1)
  • AAA: or shift the background to #363636 (7.18:1)
Aaon black
12.47:1passpasspassPasses 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 #81d4e4 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

#81d4e4 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81d4e4
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 #81d4e4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81d4e4-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