Color

#3bc4ab

#3bc4ab
hex#3bc4ab
rgbrgb(59, 196, 171)
hslhsl(169, 54%, 50%)
oklchoklch(0.742 0.121 177.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4335

Colors that go with #3bc4ab

Charcoal, Hot Pink and Mustard Yellow 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 →

#c43b54

#3bc466 · #3b99c4

#ab3bc4 · #c4ab3b

Split-complementary

Open in tool →

#c43b99 · #c4663b

#663bc4 · #c43b54 · #99c43b

Contrast

#3bc4ab as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #278271 as the text (4.65:1)
  • AAA: use #1d6256 as the text (7.16:1)
  • AA: or shift the background to #424242 (4.63:1)
  • AAA: or shift the background to #242424 (7.15:1)
Aaon black
9.67:1passpasspassPasses 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 #3bc4ab 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 #3bc4ab
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 #3bc4ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc4ab-a2bebc-d459ab-1f2a2d-e9f1ec?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