Color

#81bfee

#81bfee
hex#81bfee
rgbrgb(129, 191, 238)
hslhsl(206, 76%, 72%)
oklchoklch(0.78 0.093 242.1)
Closest name: Electric Eel (#88bbee)Relative luminance 0.481

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eeb081

#81eee7 · #8189ee

#ee81bf · #bfee81

Split-complementary

Open in tool →

#ee8189 · #eee781

#e781ee · #eeb081 · #89ee81

Contrast

#81bfee as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #1a79c1 as the text (4.62:1)
  • AAA: use #145a90 as the text (7.25:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.16:1)
Aaon black
10.62:1passpasspassPasses 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 #81bfee 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

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

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

tool url/palettes/new/81bfee-9caec4-df4e56-1f212d-e9f1f1?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