Color

#81bbfe

#81bbfe
hex#81bbfe
rgbrgb(129, 187, 254)
hslhsl(212, 98%, 75%)
oklchoklch(0.779 0.114 252.8)
Closest name: Cooler Than Ever (#77bbff)Relative luminance 0.4736

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fec381

#81fafe · #8581fe

#fe81bb · #bbfe81

Split-complementary

Open in tool →

#fe8581 · #fafe81

#fe81fa · #fec381 · #81fe85

Contrast

#81bbfe as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #0270ed as the text (4.62:1)
  • AAA: use #0253b1 as the text (7.3:1)
  • AA: or shift the background to #474747 (4.63:1)
  • AAA: or shift the background to #2b2b2b (7.06:1)
Aaon black
10.47:1passpasspassPasses 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 #81bbfe 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

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

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

tool url/palettes/new/81bbfe-9caac4-df564e-1f202d-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