Color

#81cfc6

#81cfc6
hex#81cfc6
rgbrgb(129, 207, 198)
hslhsl(173, 45%, 66%)
oklchoklch(0.801 0.078 186.4)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5337

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf818a

#81cf9f · #81b1cf

#c681cf · #cfc681

Split-complementary

Open in tool →

#cf81b1 · #cf9f81

#9f81cf · #cf818a · #b1cf81

Contrast

#81cfc6 as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #318178 as the text (4.62:1)
  • AAA: use #246059 as the text (7.26:1)
  • AA: or shift the background to #4f4f4f (4.55:1)
  • AAA: or shift the background to #333333 (7.02:1)
Aaon black
11.67:1passpasspassPasses 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 #81cfc6 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #81cfc6
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 #81cfc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81cfc6-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