Color

#3ddbc4

#3ddbc4
hex#3ddbc4
rgbrgb(61, 219, 196)
hslhsl(171, 69%, 55%)
oklchoklch(0.806 0.132 180.8)
Closest name: turquoise (#40e0d0)Relative luminance 0.5564

Colors that go with #3ddbc4

Charcoal, Crimson and Deep Sky 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 →

#db3d55

#3ddb74 · #3da4db

#c43ddb · #dbc43d

Split-complementary

Open in tool →

#db3da4 · #db743d

#743ddb · #db3d55 · #a4db3d

Contrast

#3ddbc4 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #188171 as the text (4.75:1)
  • AAA: use #126357 as the text (7.12:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.3:1)
Aaon black
12.13:1passpasspassPasses 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 #3ddbc4 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 #3ddbc4
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 #3ddbc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ddbc4-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