Color

#81eee1

#81eee1
hex#81eee1
rgbrgb(129, 238, 225)
hslhsl(173, 76%, 72%)
oklchoklch(0.88 0.103 185.5)
Closest name: Bath Water (#88eeee)Relative luminance 0.7125

Colors that go with #81eee1

Charcoal, Light Coral and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee818e

#81eeab · #81c4ee

#e181ee · #eee181

Split-complementary

Open in tool →

#ee81c4 · #eeab81

#ab81ee · #ee818e · #c4ee81

Contrast

#81eee1 as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #128275 as the text (4.69:1)
  • AAA: use #0d6359 as the text (7.13:1)
  • AA: or shift the background to #5e5e5e (4.71:1)
  • AAA: or shift the background to #424242 (7.3:1)
Aaon black
15.25:1passpasspassPasses 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 #81eee1 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

#81eee1 reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81eee1
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #81eee1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81eee1-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