Color

#81e4cf

#81e4cf
hex#81e4cf
rgbrgb(129, 228, 207)
hslhsl(167, 65%, 70%)
oklchoklch(0.852 0.099 178.5)
Closest name: Beach Glass (#96dfce)Relative luminance 0.6466

Colors that go with #81e4cf

Charcoal, Lilac 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 →

#e48196

#81e49d · #81c8e4

#cf81e4 · #e4cf81

Split-complementary

Open in tool →

#e481c8 · #e49d81

#9d81e4 · #e48196 · #c8e481

Contrast

#81e4cf as textRatioAAAA largeAAAFix
Aaon white
1.51:1failfailfail
  • AA: use #1c826c as the text (4.71:1)
  • AAA: use #156150 as the text (7.35:1)
  • AA: or shift the background to #595959 (4.65:1)
  • AAA: or shift the background to #3d3d3d (7.21:1)
Aaon black
13.93:1passpasspassPasses 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 #81e4cf 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

#81e4cf reads as vivid, light, clean. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #81e4cf
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 #81e4cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81e4cf-a2bebb-d459af-1f2a2d-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