Color

#4ab573

#4ab573
hex#4ab573
rgbrgb(74, 181, 115)
hslhsl(143, 42%, 50%)
oklchoklch(0.694 0.139 153.5)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3574

Colors that go with #4ab573

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 →

#b54a8c

#56b54a · #4ab5a9

#734ab5 · #b5734a

Split-complementary

Open in tool →

#a94ab5 · #b54a56

#4a56b5 · #b54a8c · #b5a94a

Contrast

#4ab573 as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #358253 as the text (4.7:1)
  • AAA: use #28623e as the text (7.22:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses 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 #4ab573 as the background.

Brands using this color

mcpConnect your agent — build around #4ab573
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 #4ab573 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4ab573-a2beb0-c859d4-1f2d2b-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