Color

#3f7844

#3f7844
hex#3f7844
rgbrgb(63, 120, 68)
hslhsl(125, 31%, 36%)
oklchoklch(0.52 0.1 145.8)
Closest name: Autumn Crocodile (#447744)Relative luminance 0.1491

Colors that go with #3f7844

Charcoal, Royal Blue and Rust 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 →

#783f74

#57783f · #3f7861

#443f78 · #78443f

Split-complementary

Open in tool →

#613f78 · #783f57

#3f5778 · #783f74 · #78613f

Contrast

#3f7844 as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #336137 as the text (7.23:1)
Aaon black
3.98:1failpassfail
  • AA: use #45824a as the text (4.54:1)
  • AAA: use #58a75f as the text (7.11:1)
  • AA: or shift the background to #ededed (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f7844 as the background.

Brands using this color

mcpConnect your agent — build around #3f7844
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 #3f7844 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f7844-a2bea7-a54edf-1f2d26-ecf1e9?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