Color

#3f883f

#3f883f
hex#3f883f
rgbrgb(63, 136, 63)
hslhsl(120, 37%, 39%)
oklchoklch(0.562 0.13 143.6)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1902

Colors that go with #3f883f

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 →

#883f88

#63883f · #3f8863

#3f3f88 · #883f3f

Split-complementary

Open in tool →

#633f88 · #883f63

#3f6388 · #883f88 · #88633f

Contrast

#3f883f as textRatioAAAA largeAAAFix
Aaon white
4.37:1failpassfail
  • AA: use #3d853d as the text (4.54:1)
  • AAA: use #2d622d as the text (7.25:1)
  • AA: or shift the background to #0a0a0a (4.53:1)
Aaon black
4.8:1passpassfail
  • AAA: use #4da84d as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f883f 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 #3f883f
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 #3f883f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f883f-a2bea5-994edf-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