Color

#3d8a0a

#3d8a0a
hex#3d8a0a
rgbrgb(61, 138, 10)
hslhsl(96, 86%, 29%)
oklchoklch(0.562 0.167 137.3)
Closest name: Forest Green (#228b22)Relative luminance 0.1919

Colors that go with #3d8a0a

Royal Blue, Charcoal 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 →

#570a8a

#7d8a0a · #0a8a17

#0a3d8a · #8a0a3d

Split-complementary

Open in tool →

#170a8a · #8a0a7d

#0a7d8a · #570a8a · #8a170a

Contrast

#3d8a0a as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #3b850a as the text (4.62:1)
  • AAA: use #2c6407 as the text (7.16:1)
  • AA: or shift the background to #0a0a0a (4.56:1)
Aaon black
4.84:1passpassfail
  • AAA: use #4cab0d as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8a0a as the background.

Brands using this color

Fonts for this mood

#3d8a0a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d8a0a
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 #3d8a0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8a0a-aabea2-5f4edf-1f2d20-f0f1e9?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