Color

#3fdcde

#3fdcde
hex#3fdcde
rgbrgb(63, 220, 222)
hslhsl(181, 71%, 56%)
oklchoklch(0.817 0.126 196.3)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5752

Colors that go with #3fdcde

Charcoal, Deep Sky Blue and Light Coral 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.

Real palettes that use #3fdcde

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#de423f

#3fde91 · #3f8cde

#de3fdc · #dcde3f

Split-complementary

Open in tool →

#de3f8c · #de913f

#913fde · #de423f · #8cde3f

Contrast

#3fdcde as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #168183 as the text (4.66:1)
  • AAA: use #116364 as the text (7.02:1)
  • AA: or shift the background to #545454 (4.51:1)
  • AAA: or shift the background to #363636 (7.2:1)
Aaon black
12.5:1passpasspassPasses 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 #3fdcde as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#3fdcde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3fdcde
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 #3fdcde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fdcde-a2babe-d45992-1f272d-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