Color

#4fb585

#4fb585
hex#4fb585
rgbrgb(79, 181, 133)
hslhsl(152, 41%, 51%)
oklchoklch(0.7 0.12 160.5)
Closest name: Bleached Olive (#55bb88)Relative luminance 0.364

Colors that go with #4fb585

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 →

#b54f7f

#4fb552 · #4fb2b5

#854fb5 · #b5854f

Split-complementary

Open in tool →

#b54fb2 · #b5524f

#524fb5 · #b54f7f · #b2b54f

Contrast

#4fb585 as textRatioAAAA largeAAAFix
Aaon white
2.54:1failfailfail
  • AA: use #36815e as the text (4.71:1)
  • AAA: use #296147 as the text (7.25:1)
  • AA: or shift the background to #383838 (4.62:1)
  • AAA: or shift the background to #171717 (7.07:1)
Aaon black
8.28:1passpasspassPasses 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 #4fb585 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 #4fb585
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 #4fb585 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fb585-a2beb4-d459ce-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