Color

#289a76

#289a76
hex#289a76
rgbrgb(40, 154, 118)
hslhsl(161, 59%, 38%)
oklchoklch(0.615 0.114 167)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2487

Colors that go with #289a76

Charcoal, Crimson and Medium Violet Red 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 #289a76

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a284c

#289a3d · #28859a

#76289a · #9a7628

Split-complementary

Open in tool →

#9a2885 · #9a3d28

#3d289a · #9a284c · #859a28

Contrast

#289a76 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #218263 as the text (4.73:1)
  • AAA: use #19614a as the text (7.37:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail
  • AAA: use #2caa82 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289a76 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 #289a76
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 #289a76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289a76-a2beb8-d459bb-1f2c2d-e9f1eb?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