Color

#6dd5cf

#6dd5cf
hex#6dd5cf
rgbrgb(109, 213, 207)
hslhsl(177, 55%, 63%)
oklchoklch(0.809 0.097 190.4)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5534

Colors that go with #6dd5cf

Charcoal, Light Coral and Crimson 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 →

#d56d72

#6dd59b · #6da6d5

#cf6dd5 · #d5cf6d

Split-complementary

Open in tool →

#d56da6 · #d59b6d

#9b6dd5 · #d56d72 · #a6d56d

Contrast

#6dd5cf as textRatioAAAA largeAAAFix
Aaon white
1.74:1failfailfail
  • AA: use #26827e as the text (4.59:1)
  • AAA: use #1c5f5b as the text (7.4:1)
  • AA: or shift the background to #4f4f4f (4.71:1)
  • AAA: or shift the background to #333333 (7.26:1)
Aaon black
12.07:1passpasspassPasses 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 #6dd5cf 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 #6dd5cf
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 #6dd5cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6dd5cf-a2bcbe-d4599b-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