Color

#3c8b45

#3c8b45
hex#3c8b45
rgbrgb(60, 139, 69)
hslhsl(127, 40%, 39%)
oklchoklch(0.57 0.13 145.8)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1986

Colors that go with #3c8b45

Charcoal, Royal Blue and Copper 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 →

#8b3c82

#5a8b3c · #3c8b6d

#453c8b · #8b453c

Split-complementary

Open in tool →

#6d3c8b · #8b3c5a

#3c5a8b · #8b3c82 · #8b6d3c

Contrast

#3c8b45 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #398441 as the text (4.61:1)
  • AAA: use #2b6432 as the text (7.07:1)
  • AA: or shift the background to #0f0f0f (4.54:1)
Aaon black
4.97:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3c8b45 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 #3c8b45
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 #3c8b45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3c8b45-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