Color

#81c2da

#81c2da
hex#81c2da
rgbrgb(129, 194, 218)
hslhsl(196, 55%, 68%)
oklchoklch(0.779 0.074 223.2)
Closest name: Dolphin (#86c4da)Relative luminance 0.4831

Colors that go with #81c2da

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 #81c2da

Tints & shades

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

Harmonies

Complementary

Open in tool →

#da9881

#81dac5 · #8195da

#da81c2 · #c2da81

Split-complementary

Open in tool →

#da8195 · #dac581

#c581da · #da9881 · #95da81

Contrast

#81c2da as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #2d7d9a as the text (4.65:1)
  • AAA: use #215d73 as the text (7.3:1)
  • AA: or shift the background to #474747 (4.72:1)
  • AAA: or shift the background to #2b2b2b (7.19:1)
Aaon black
10.66:1passpasspassPasses 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 #81c2da 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

#81c2da reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81c2da
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 #81c2da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81c2da-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