Color

#129138

#129138
hex#129138
rgbrgb(18, 145, 56)
hslhsl(138, 78%, 32%)
oklchoklch(0.574 0.164 147.2)
Closest name: Forest Green (#228b22)Relative luminance 0.2066

Colors that go with #129138

Charcoal, Crimson and Royal Blue 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 →

#91126b

#2b9112 · #129178

#381291 · #913812

Split-complementary

Open in tool →

#781291 · #91122b

#122b91 · #91126b · #917812

Contrast

#129138 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #118835 as the text (4.57:1)
  • AAA: use #0c6427 as the text (7.32:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail
  • AAA: use #15ac43 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129138 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 #129138
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 #129138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129138-a2beae-be59d4-1f2d29-ebf1e9?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