Color

#81efe2

#81efe2
hex#81efe2
rgbrgb(129, 239, 226)
hslhsl(173, 77%, 72%)
oklchoklch(0.883 0.104 185.6)
Closest name: Bath Water (#88eeee)Relative luminance 0.7189

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef818d

#81efab · #81c4ef

#e281ef · #efe281

Split-complementary

Open in tool →

#ef81c4 · #efab81

#ab81ef · #ef818d · #c4ef81

Contrast

#81efe2 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #118376 as the text (4.63:1)
  • AAA: use #0d6359 as the text (7.13:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.02:1)
Aaon black
15.38:1passpasspassPasses 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 #81efe2 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

#81efe2 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81efe2
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 #81efe2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81efe2-a2bebe-d459a3-1f292d-e9f1ec?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