Color

#89b4be

#89b4be
hex#89b4be
rgbrgb(137, 180, 190)
hslhsl(191, 29%, 64%)
oklchoklch(0.742 0.048 213.6)
Closest name: Crystal Lake (#88b5c4)Relative luminance 0.4168

Colors that go with #89b4be

Charcoal, Dark Salmon and 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 →

#be9289

#89bead · #8999be

#be89b4 · #b4be89

Split-complementary

Open in tool →

#be8999 · #bead89

#ad89be · #be9289 · #99be89

Contrast

#89b4be as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #4a7c87 as the text (4.64:1)
  • AAA: use #385e66 as the text (7.09:1)
  • AA: or shift the background to #404040 (4.61:1)
  • AAA: or shift the background to #212121 (7.16:1)
Aaon black
9.34:1passpasspassPasses 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 #89b4be 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 #89b4be
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 #89b4be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/89b4be-a2b6be-df4e7a-1f252d-e9f1ef?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