Color

#4fb56f

#4fb56f
hex#4fb56f
rgbrgb(79, 181, 111)
hslhsl(139, 41%, 51%)
oklchoklch(0.695 0.14 151.4)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3586

Colors that go with #4fb56f

Charcoal, Mustard Yellow 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 →

#b54f95

#62b54f · #4fb5a2

#6f4fb5 · #b56f4f

Split-complementary

Open in tool →

#a24fb5 · #b54f62

#4f62b5 · #b54f95 · #b5a24f

Contrast

#4fb56f as textRatioAAAA largeAAAFix
Aaon white
2.57:1failfailfail
  • AA: use #388550 as the text (4.53:1)
  • AAA: use #29613a as the text (7.33:1)
  • AA: or shift the background to #383838 (4.56:1)
  • AAA: or shift the background to #141414 (7.17:1)
Aaon black
8.17:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4fb56f as the background.

Brands using this color

mcpConnect your agent — build around #4fb56f
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 #4fb56f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fb56f-a2beae-c059d4-1f2d2a-ebf1e9?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