Color

#3dd6cc

#3dd6cc
hex#3dd6cc
rgbrgb(61, 214, 204)
hslhsl(176, 65%, 54%)
oklchoklch(0.796 0.125 188.5)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5344

Colors that go with #3dd6cc

Charcoal, Deep Sky Blue 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 →

#d63d48

#3dd680 · #3d94d6

#cc3dd6 · #d6cc3d

Split-complementary

Open in tool →

#d63d94 · #d6803d

#803dd6 · #d63d48 · #94d63d

Contrast

#3dd6cc as textRatioAAAA largeAAAFix
Aaon white
1.8:1failfailfail
  • AA: use #1c827c as the text (4.63:1)
  • AAA: use #15615c as the text (7.25:1)
  • AA: or shift the background to #4f4f4f (4.56:1)
  • AAA: or shift the background to #333333 (7.03:1)
Aaon black
11.69:1passpasspassPasses 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 #3dd6cc 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 #3dd6cc
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 #3dd6cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dd6cc-a2bdbe-d4599d-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