Color

#3d8a28

#3d8a28
hex#3d8a28
rgbrgb(61, 138, 40)
hslhsl(107, 55%, 35%)
oklchoklch(0.564 0.153 139.7)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1932

Colors that go with #3d8a28

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 →

#75288a

#6f8a28 · #288a44

#283d8a · #8a283d

Split-complementary

Open in tool →

#44288a · #8a286f

#286f8a · #75288a · #8a4428

Contrast

#3d8a28 as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #3c8627 as the text (4.53:1)
  • AAA: use #2c631d as the text (7.22:1)
  • AA: or shift the background to #0d0d0d (4.5:1)
Aaon black
4.86:1passpassfail
  • AAA: use #4baa31 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d8a28 as the background.

Brands using this color

mcpConnect your agent — build around #3d8a28
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 #3d8a28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d8a28-a5bea2-7a4edf-1f2d22-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