Color

#3f8924

#3f8924
hex#3f8924
rgbrgb(63, 137, 36)
hslhsl(104, 58%, 34%)
oklchoklch(0.562 0.153 138.8)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1908

Colors that go with #3f8924

Charcoal, Royal Blue and Dark Orchid 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 →

#6e2489

#728924 · #24893c

#243f89 · #89243f

Split-complementary

Open in tool →

#3c2489 · #892472

#247289 · #6e2489 · #893c24

Contrast

#3f8924 as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #3d8523 as the text (4.59:1)
  • AAA: use #2e651b as the text (7.02:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #4ea92d as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f8924 as the background.

Brands using this color

mcpConnect your agent — build around #3f8924
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 #3f8924 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f8924-a6bea2-724edf-1f2d22-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