Color

#3a8d43

#3a8d43
hex#3a8d43
rgbrgb(58, 141, 67)
hslhsl(127, 42%, 39%)
oklchoklch(0.574 0.136 145.5)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2035

Colors that go with #3a8d43

Charcoal, Crimson and Royal Blue 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 →

#8d3a83

#5a8d3a · #3a8d6d

#433a8d · #8d433a

Split-complementary

Open in tool →

#6d3a8d · #8d3a5a

#3a5a8d · #8d3a83 · #8d6d3a

Contrast

#3a8d43 as textRatioAAAA largeAAAFix
Aaon white
4.14:1failpassfail
  • AA: use #378640 as the text (4.52:1)
  • AAA: use #296530 as the text (7:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #46aa51 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a8d43 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 #3a8d43
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 #3a8d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a8d43-a2bea8-aa4edf-1f2d27-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