Color

#81aeb6

#81aeb6
hex#81aeb6
rgbrgb(129, 174, 182)
hslhsl(189, 27%, 61%)
oklchoklch(0.721 0.049 209.7)
Closest name: Blue Eye Samurai (#75aebd)Relative luminance 0.3832

Colors that go with #81aeb6

Charcoal, Deep Sky Blue and Dark Salmon 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.

Real palettes that use #81aeb6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b68981

#81b6a4 · #8193b6

#b681ae · #aeb681

Split-complementary

Open in tool →

#b68193 · #b6a481

#a481b6 · #b68981 · #93b681

Contrast

#81aeb6 as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #4c7c85 as the text (4.64:1)
  • AAA: use #3a5e64 as the text (7.08:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses 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 #81aeb6 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 #81aeb6
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 #81aeb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/81aeb6-a2b7be-df4e7e-1f252d-e9f1ee?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