Color

#3a9136

#3a9136
hex#3a9136
rgbrgb(58, 145, 54)
hslhsl(117, 46%, 39%)
oklchoklch(0.583 0.153 142.6)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2142

Colors that go with #3a9136

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 →

#8d3691

#689136 · #36915f

#363a91 · #91363a

Split-complementary

Open in tool →

#5f3691 · #913668

#366891 · #8d3691 · #915f36

Contrast

#3a9136 as textRatioAAAA largeAAAFix
Aaon white
3.97:1failpassfail
  • AA: use #368632 as the text (4.55:1)
  • AAA: use #286525 as the text (7.05:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #45ab3f as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a9136 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 #3a9136
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 #3a9136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a9136-a2bea4-924edf-1f2d25-edf1e9?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