Color

#89d1cd

#89d1cd
hex#89d1cd
rgbrgb(137, 209, 205)
hslhsl(177, 44%, 68%)
oklchoklch(0.812 0.072 191.4)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5533

Colors that go with #89d1cd

Charcoal, Dark Salmon and Crimson 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 →

#d1898d

#89d1aa · #89b1d1

#ce89d1 · #d1ce89

Split-complementary

Open in tool →

#d189b1 · #d1aa89

#aa89d1 · #d1898d · #b1d189

Contrast

#89d1cd as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #32817d as the text (4.59:1)
  • AAA: use #255f5d as the text (7.31:1)
  • AA: or shift the background to #4f4f4f (4.71:1)
  • AAA: or shift the background to #333333 (7.26:1)
Aaon black
12.07:1passpasspassPasses 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 #89d1cd as the background.

Brands using this color

mcpConnect your agent — build around #89d1cd
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 #89d1cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/89d1cd-a2bcbe-d4599b-1f282d-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