Color

#2b9211

#2b9211
hex#2b9211
rgbrgb(43, 146, 17)
hslhsl(108, 79%, 32%)
oklchoklch(0.579 0.182 140.7)
Closest name: Emerald (#028f1e)Relative luminance 0.2111

Colors that go with #2b9211

Crimson, Royal Blue and 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 →

#781192

#6b9211 · #119238

#112b92 · #92112b

Split-complementary

Open in tool →

#381192 · #92116b

#116b92 · #781192 · #923811

Contrast

#2b9211 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #278410 as the text (4.78:1)
  • AAA: use #1e640c as the text (7.28:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #33ad14 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b9211 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 #2b9211
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 #2b9211 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b9211-a4bea2-7c4edf-1f2d23-eff1e9?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