Color

#81afee

#81afee
hex#81afee
rgbrgb(129, 175, 238)
hslhsl(215, 76%, 72%)
oklchoklch(0.746 0.104 256.4)
Closest name: Birdie Num Num (#89acda)Relative luminance 0.415

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eec181

#81e5ee · #8a81ee

#ee81af · #afee81

Split-complementary

Open in tool →

#ee8a81 · #e5ee81

#ee81e5 · #eec181 · #81ee8a

Contrast

#81afee as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #2372e1 as the text (4.6:1)
  • AAA: use #1755ab as the text (7.18:1)
  • AA: or shift the background to #404040 (4.59:1)
  • AAA: or shift the background to #212121 (7.13:1)
Aaon black
9.3:1passpasspassPasses 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 #81afee as the background.

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #81afee
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #81afee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81afee-9ca8c4-df5d4e-201f2d-e9f0f1?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