Color

#3f8d41

#3f8d41
hex#3f8d41
rgbrgb(63, 141, 65)
hslhsl(122, 38%, 40%)
oklchoklch(0.576 0.135 144)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2049

Colors that go with #3f8d41

Charcoal, Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8d3f8a

#638d3f · #3f8d69

#423f8d · #8d423f

Split-complementary

Open in tool →

#693f8d · #8d3f63

#3f638d · #8d3f8a · #8d693f

Contrast

#3f8d41 as textRatioAAAA largeAAAFix
Aaon white
4.12:1failpassfail
  • AA: use #3a823d as the text (4.73:1)
  • AAA: use #2c632e as the text (7.16:1)
  • AA: or shift the background to #121212 (4.55:1)
Aaon black
5.1:1passpassfail
  • AAA: use #4ca94f as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8d41 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 #3f8d41
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 #3f8d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8d41-a2bea6-9e4edf-1f2d26-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