Color

#4bb4ab

#4bb4ab
hex#4bb4ab
rgbrgb(75, 180, 171)
hslhsl(175, 41%, 50%)
oklchoklch(0.706 0.097 187.5)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3708

Colors that go with #4bb4ab

Charcoal, Dark Olive Green and Denim 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 →

#b44b54

#4bb477 · #4b88b4

#ab4bb4 · #b4ab4b

Split-complementary

Open in tool →

#b44b88 · #b4774b

#774bb4 · #b44b54 · #88b44b

Contrast

#4bb4ab as textRatioAAAA largeAAAFix
Aaon white
2.5:1failfailfail
  • AA: use #36817b as the text (4.58:1)
  • AAA: use #29615c as the text (7.1:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.18:1)
Aaon black
8.42:1passpasspassPasses 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 #4bb4ab 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 #4bb4ab
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 #4bb4ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb4ab-a2bdbe-d4599f-1f282d-e9f1ed?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