Color

#129b89

#129b89
hex#129b89
rgbrgb(18, 155, 137)
hslhsl(172, 79%, 34%)
oklchoklch(0.619 0.109 180.5)
Closest name: Green Dynasty (#00988e)Relative luminance 0.2538

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b1224

#129b44 · #12699b

#89129b · #9b8912

Split-complementary

Open in tool →

#9b1269 · #9b4412

#44129b · #9b1224 · #699b12

Contrast

#129b89 as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #108475 as the text (4.59:1)
  • AAA: use #0c6459 as the text (7.04:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.08:1passpassfail
  • AAA: use #14a995 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129b89 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 #129b89
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #129b89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129b89-a2bebe-d459a5-1f292d-e9f1ec?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