Color

#3dd1aa

#3dd1aa
hex#3dd1aa
rgbrgb(61, 209, 170)
hslhsl(164, 62%, 53%)
oklchoklch(0.774 0.135 171.1)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.495

Colors that go with #3dd1aa

Charcoal, Hot Pink and 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 →

#d13d64

#3dd160 · #3dafd1

#aa3dd1 · #d1aa3d

Split-complementary

Open in tool →

#d13daf · #d1603d

#603dd1 · #d13d64 · #afd13d

Contrast

#3dd1aa as textRatioAAAA largeAAAFix
Aaon white
1.93:1failfailfail
  • AA: use #1f8469 as the text (4.6:1)
  • AAA: use #17634f as the text (7.16:1)
  • AA: or shift the background to #4a4a4a (4.6:1)
  • AAA: or shift the background to #2e2e2e (7.05:1)
Aaon black
10.9:1passpasspassPasses 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 #3dd1aa 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 #3dd1aa
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 #3dd1aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd1aa-a2beba-d459b5-1f2b2d-e9f1eb?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