Color

#3fccde

#3fccde
hex#3fccde
rgbrgb(63, 204, 222)
hslhsl(187, 71%, 56%)
oklchoklch(0.779 0.119 207.5)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4952

Colors that go with #3fccde

Charcoal, Dark Orange and Midnight 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 →

#de523f

#3fdea1 · #3f7cde

#de3fcc · #ccde3f

Split-complementary

Open in tool →

#de3f7c · #dea13f

#a13fde · #de523f · #7cde3f

Contrast

#3fccde as textRatioAAAA largeAAAFix
Aaon white
1.93:1failfailfail
  • AA: use #188290 as the text (4.53:1)
  • AAA: use #12626d as the text (7.01:1)
  • 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 #3fccde 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

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

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

tool url/palettes/new/3fccde-a2b8be-df4e83-1f262d-e9f1ee?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