Color

#81eeee

#81eeee
hex#81eeee
rgbrgb(129, 238, 238)
hslhsl(180, 76%, 72%)
oklchoklch(0.884 0.101 195.5)
Closest name: Bath Water (#88eeee)Relative luminance 0.7199

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee8181

#81eeb8 · #81b8ee

#ee81ee · #eeee81

Split-complementary

Open in tool →

#ee81b8 · #eeb881

#b881ee · #ee8181 · #b8ee81

Contrast

#81eeee as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #128282 as the text (4.62:1)
  • AAA: use #0d6363 as the text (7.04:1)
  • AA: or shift the background to #616161 (4.54:1)
  • AAA: or shift the background to #454545 (7.03:1)
Aaon black
15.4:1passpasspassPasses 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 #81eeee 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

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

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

tool url/palettes/new/81eeee-a2bbbe-d45994-1f272d-e9f1ed?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