Color

#289a96

#289a96
hex#289a96
rgbrgb(40, 154, 150)
hslhsl(178, 59%, 38%)
oklchoklch(0.625 0.097 191.4)
Closest name: Baltic (#279d9f)Relative luminance 0.2576

Colors that go with #289a96

Charcoal, Copper 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.

Real palettes that use #289a96

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a282c

#289a5d · #28659a

#96289a · #9a9628

Split-complementary

Open in tool →

#9a2865 · #9a5d28

#5d289a · #9a282c · #659a28

Contrast

#289a96 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #21827f as the text (4.6:1)
  • AAA: use #19615f as the text (7.2:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.15:1passpassfail
  • AAA: use #2ba6a2 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289a96 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #289a96
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 #289a96 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289a96-a2bcbe-d45999-1f282d-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