Color

#129b2e

#129b2e
hex#129b2e
rgbrgb(18, 155, 46)
hslhsl(132, 79%, 34%)
oklchoklch(0.601 0.183 145.1)
Closest name: Herbalist’s Garden (#119900)Relative luminance 0.2377

Colors that go with #129b2e

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 →

#9b1280

#3b9b12 · #129b72

#2e129b · #9b2e12

Split-complementary

Open in tool →

#72129b · #9b123b

#123b9b · #9b1280 · #9b7212

Contrast

#129b2e as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #108928 as the text (4.53:1)
  • AAA: use #0c641e as the text (7.35:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.75:1passpassfail
  • AAA: use #14ad33 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #129b2e 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 #129b2e
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 #129b2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/129b2e-a2beab-b64edf-1f2d28-ecf1e9?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