Color

#3d861d

#3d861d
hex#3d861d
rgbrgb(61, 134, 29)
hslhsl(102, 64%, 32%)
oklchoklch(0.552 0.155 138.2)
Closest name: Forest Green (#228b22)Relative luminance 0.1813

Colors that go with #3d861d

Charcoal, Royal Blue and Crimson 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 →

#661d86

#71861d · #1d8632

#1d3d86 · #861d3d

Split-complementary

Open in tool →

#321d86 · #861d71

#1d7186 · #661d86 · #86321d

Contrast

#3d861d as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #2e6416 as the text (7.12:1)
Aaon black
4.63:1passpassfail
  • AAA: use #4eab26 as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d861d as the background.

Brands using this color

mcpConnect your agent — build around #3d861d
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 #3d861d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d861d-a7bea2-6e4edf-1f2d21-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