Color

#4bb991

#4bb991
hex#4bb991
rgbrgb(75, 185, 145)
hslhsl(158, 44%, 51%)
oklchoklch(0.711 0.117 166)
Closest name: Electra (#55b492)Relative luminance 0.3824

Colors that go with #4bb991

Charcoal, Hot Pink and 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 →

#b94b73

#4bb95a · #4baab9

#914bb9 · #b9914b

Split-complementary

Open in tool →

#b94baa · #b95a4b

#5a4bb9 · #b94b73 · #aab94b

Contrast

#4bb991 as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #338467 as the text (4.53:1)
  • AAA: use #27634d as the text (7.05:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.02:1)
Aaon black
8.65:1passpasspassPasses 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 #4bb991 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4bb991
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 #4bb991 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb991-a2beb7-d459c2-1f2c2d-e9f1eb?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