Color

#129b64

#129b64
hex#129b64
rgbrgb(18, 155, 100)
hslhsl(156, 79%, 34%)
oklchoklch(0.609 0.136 158.9)
Closest name: Eucalyptus (#329760)Relative luminance 0.2449

Colors that go with #129b64

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 →

#9b1249

#129b20 · #128d9b

#64129b · #9b6412

Split-complementary

Open in tool →

#9b128d · #9b2012

#20129b · #9b1249 · #8d9b12

Contrast

#129b64 as textRatioAAAA largeAAAFix
Aaon white
3.56:1failpassfail
  • AA: use #108456 as the text (4.71:1)
  • AAA: use #0c6441 as the text (7.2:1)
  • AA: or shift the background to #212121 (4.52:1)
Aaon black
5.9:1passpassfail
  • AAA: use #14ad70 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129b64 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 #129b64
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 #129b64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129b64-a2beb6-d459c6-1f2d2d-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