Color

#81e2f8

#81e2f8
hex#81e2f8
rgbrgb(129, 226, 248)
hslhsl(191, 89%, 74%)
oklchoklch(0.861 0.096 214.1)
Closest name: Blizzard Blue (#a3e3ed)Relative luminance 0.6584

Colors that go with #81e2f8

Charcoal, Deep Sky Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f89782

#82f8d2 · #82a7f8

#f882e2 · #e2f882

Split-complementary

Open in tool →

#f882a7 · #f8d282

#d282f8 · #f89782 · #a7f882

Contrast

#81e2f8 as textRatioAAAA largeAAAFix
Aaon white
1.48:1failfailfail
  • AA: use #09809a as the text (4.6:1)
  • AAA: use #076074 as the text (7.16:1)
  • AA: or shift the background to #5c5c5c (4.51:1)
  • AAA: or shift the background to #3d3d3d (7.33:1)
Aaon black
14.17:1passpasspassPasses 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 #81e2f8 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#81e2f8 reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81e2f8
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 #81e2f8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81e2f8-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