Color

#3cddaf

#3cddaf
hex#3cddaf
rgbrgb(60, 221, 175)
hslhsl(163, 70%, 55%)
oklchoklch(0.805 0.146 169)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.5577

Colors that go with #3cddaf

Charcoal, Crimson 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 →

#dd3c69

#3cdd5f · #3cbadd

#af3cdd · #ddaf3c

Split-complementary

Open in tool →

#dd3cba · #dd5f3c

#5f3cdd · #dd3c69 · #badd3c

Contrast

#3cddaf as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #188667 as the text (4.52:1)
  • AAA: use #12644c as the text (7.11:1)
  • AA: or shift the background to #525252 (4.52:1)
  • AAA: or shift the background to #333333 (7.31:1)
Aaon black
12.15:1passpasspassPasses 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 #3cddaf 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 #3cddaf
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 #3cddaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cddaf-a2beb9-d459b7-1f2b2d-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