Color

#3c8128

#3c8128
hex#3c8128
rgbrgb(60, 129, 40)
hslhsl(107, 53%, 33%)
oklchoklch(0.539 0.142 139.4)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1681

Colors that go with #3c8128

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 →

#6d2881

#678128 · #288141

#283b81 · #81283b

Split-complementary

Open in tool →

#412881 · #812867

#286781 · #6d2881 · #814128

Contrast

#3c8128 as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #2e651f as the text (7.01:1)
Aaon black
4.36:1failpassfail
  • AA: use #3d8529 as the text (4.59:1)
  • AAA: use #4fac35 as the text (7.28:1)
  • AA: or shift the background to #fafafa (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8128 as the background.

Brands using this color

mcpConnect your agent — build around #3c8128
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 #3c8128 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8128-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