Color

#4bb47a

#4bb47a
hex#4bb47a
rgbrgb(75, 180, 122)
hslhsl(147, 41%, 50%)
oklchoklch(0.693 0.13 156.3)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3554

Colors that go with #4bb47a

Charcoal, Blue and Cornflower 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 →

#b44b85

#50b44b · #4bb4af

#7a4bb4 · #b47a4b

Split-complementary

Open in tool →

#af4bb4 · #b44b50

#4b50b4 · #b44b85 · #b4af4b

Contrast

#4bb47a as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #368158 as the text (4.73:1)
  • AAA: use #296142 as the text (7.28:1)
  • AA: or shift the background to #383838 (4.53:1)
  • AAA: or shift the background to #141414 (7.11:1)
Aaon black
8.11:1passpasspassPasses 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 #4bb47a as the background.

Brands using this color

mcpConnect your agent — build around #4bb47a
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 #4bb47a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb47a-a2beb2-d059d4-1f2d2c-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