Color

#4bb979

#4bb979
hex#4bb979
rgbrgb(75, 185, 121)
hslhsl(145, 44%, 51%)
oklchoklch(0.706 0.138 154.9)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.3757

Colors that go with #4bb979

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 →

#b94b8b

#54b94b · #4bb9b0

#794bb9 · #b9794b

Split-complementary

Open in tool →

#b04bb9 · #b94b54

#4b54b9 · #b94b8b · #b9b04b

Contrast

#4bb979 as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #338455 as the text (4.59:1)
  • AAA: use #276340 as the text (7.13:1)
  • AA: or shift the background to #3b3b3b (4.54:1)
  • AAA: or shift the background to #1a1a1a (7.06:1)
Aaon black
8.51:1passpasspassPasses 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 #4bb979 as the background.

Brands using this color

mcpConnect your agent — build around #4bb979
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 #4bb979 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb979-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