Color

#3f6836

#3f6836
hex#3f6836
rgbrgb(63, 104, 54)
hslhsl(109, 32%, 31%)
oklchoklch(0.474 0.09 140)
Closest name: Greenhouse (#3e6334)Relative luminance 0.1122

Colors that go with #3f6836

Charcoal, Blue and Copper 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.

Real palettes that use #3f6836

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5f3668

#586836 · #366846

#363f68 · #68363f

Split-complementary

Open in tool →

#463668 · #683658

#365868 · #5f3668 · #684636

Contrast

#3f6836 as textRatioAAAA largeAAAFix
Aaon white
6.47:1passpassfail
  • AAA: use #3b6232 as the text (7.05:1)
Aaon black
3.24:1failpassfail
  • AA: use #4f8344 as the text (4.66:1)
  • AAA: use #64a555 as the text (7.06:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f6836 as the background.

Brands using this color

mcpConnect your agent — build around #3f6836
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 #3f6836 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f6836-a4bea2-7e4edf-1f2d23-eef1e9?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