Color

#4bb989

#4bb989
hex#4bb989
rgbrgb(75, 185, 137)
hslhsl(154, 44%, 51%)
oklchoklch(0.709 0.124 161.8)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.38

Colors that go with #4bb989

Charcoal, Hot Pink and Midnight 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 →

#b94b7b

#4bb952 · #4bb2b9

#894bb9 · #b9894b

Split-complementary

Open in tool →

#b94bb2 · #b9524b

#524bb9 · #b94b7b · #b2b94b

Contrast

#4bb989 as textRatioAAAA largeAAAFix
Aaon white
2.44:1failfailfail
  • AA: use #338461 as the text (4.55:1)
  • AAA: use #276349 as the text (7.08:1)
  • AA: or shift the background to #3b3b3b (4.59:1)
  • AAA: or shift the background to #1a1a1a (7.13:1)
Aaon black
8.6:1passpasspassPasses 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 #4bb989 as the background.

Brands using this color

mcpConnect your agent — build around #4bb989
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 #4bb989 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb989-a2beb5-d459ca-1f2d2d-e9f1ea?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