Color

#4bb980

#4bb980
hex#4bb980
rgbrgb(75, 185, 128)
hslhsl(149, 44%, 51%)
oklchoklch(0.707 0.132 157.6)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.3775

Colors that go with #4bb980

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 →

#b94b84

#4db94b · #4bb9b7

#804bb9 · #b9804b

Split-complementary

Open in tool →

#b74bb9 · #b94b4d

#4b4db9 · #b94b84 · #b9b74b

Contrast

#4bb980 as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #33845a as the text (4.58:1)
  • AAA: use #276344 as the text (7.11:1)
  • AA: or shift the background to #3b3b3b (4.56:1)
  • AAA: or shift the background to #1a1a1a (7.09:1)
Aaon black
8.55:1passpasspassPasses 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 #4bb980 as the background.

Brands using this color

mcpConnect your agent — build around #4bb980
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 #4bb980 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb980-a2beb3-d459d4-1f2d2c-e9f1e9?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