Color

#289a69

#289a69
hex#289a69
rgbrgb(40, 154, 105)
hslhsl(154, 59%, 38%)
oklchoklch(0.611 0.125 159.9)
Closest name: Eucalyptus (#329760)Relative luminance 0.2458

Colors that go with #289a69

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a2859

#289a2f · #28929a

#69289a · #9a6928

Split-complementary

Open in tool →

#9a2892 · #9a2f28

#2f289a · #9a2859 · #929a28

Contrast

#289a69 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #23865b as the text (4.53:1)
  • AAA: use #1a6545 as the text (7.02:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #2caa74 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #289a69 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 #289a69
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 #289a69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/289a69-a2beb5-d459ca-1f2d2d-e9f1ea?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