Color

#129b77

#129b77
hex#129b77
rgbrgb(18, 155, 119)
hslhsl(164, 79%, 34%)
oklchoklch(0.614 0.12 168.4)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.249

Colors that go with #129b77

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 #129b77

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b1237

#129b32 · #127b9b

#77129b · #9b7712

Split-complementary

Open in tool →

#9b127b · #9b3212

#32129b · #9b1237 · #7b9b12

Contrast

#129b77 as textRatioAAAA largeAAAFix
Aaon white
3.51:1failpassfail
  • AA: use #108465 as the text (4.66:1)
  • AAA: use #0c644d as the text (7.13:1)
  • AA: or shift the background to #212121 (4.59:1)
Aaon black
5.98:1passpassfail
  • AAA: use #14a981 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129b77 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 #129b77
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 #129b77 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129b77-a2beba-d459b5-1f2b2d-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