Color

#3dd1bb

#3dd1bb
hex#3dd1bb
rgbrgb(61, 209, 187)
hslhsl(171, 62%, 53%)
oklchoklch(0.779 0.126 180.7)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.5018

Colors that go with #3dd1bb

Charcoal, Deep Sky Blue and Taupe 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 →

#d13d53

#3dd171 · #3d9dd1

#bb3dd1 · #d1bb3d

Split-complementary

Open in tool →

#d13d9d · #d1713d

#713dd1 · #d13d53 · #9dd13d

Contrast

#3dd1bb as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #1f8475 as the text (4.55:1)
  • AAA: use #176358 as the text (7.09:1)
  • AA: or shift the background to #4a4a4a (4.66:1)
  • AAA: or shift the background to #2e2e2e (7.14:1)
Aaon black
11.04:1passpasspassPasses 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 #3dd1bb 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 #3dd1bb
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 #3dd1bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd1bb-a2bebd-d459a7-1f292d-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