Color

#4ab577

#4ab577
hex#4ab577
rgbrgb(74, 181, 119)
hslhsl(145, 42%, 50%)
oklchoklch(0.695 0.135 155)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3584

Colors that go with #4ab577

Charcoal, Midnight Blue and Mustard Yellow 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 →

#b54a88

#53b54a · #4ab5ac

#774ab5 · #b5774a

Split-complementary

Open in tool →

#ac4ab5 · #b54a53

#4a53b5 · #b54a88 · #b5ac4a

Contrast

#4ab577 as textRatioAAAA largeAAAFix
Aaon white
2.57:1failfailfail
  • AA: use #358255 as the text (4.69:1)
  • AAA: use #286240 as the text (7.21:1)
  • AA: or shift the background to #383838 (4.56:1)
  • AAA: or shift the background to #141414 (7.16:1)
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 #4ab577 as the background.

Brands using this color

mcpConnect your agent — build around #4ab577
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 #4ab577 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ab577-a2beb1-cc59d4-1f2d2b-eaf1e9?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