Color

#4fb587

#4fb587
hex#4fb587
rgbrgb(79, 181, 135)
hslhsl(153, 41%, 51%)
oklchoklch(0.7 0.118 161.5)
Closest name: Electra (#55b492)Relative luminance 0.3646

Colors that go with #4fb587

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 →

#b54f7d

#4fb554 · #4fb0b5

#874fb5 · #b5874f

Split-complementary

Open in tool →

#b54fb0 · #b5544f

#544fb5 · #b54f7d · #b0b54f

Contrast

#4fb587 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #368160 as the text (4.7:1)
  • AAA: use #296148 as the text (7.25:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.29:1passpasspassPasses 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 #4fb587 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 #4fb587
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 #4fb587 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fb587-a2beb5-d459cc-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