Color

#6dcfd9

#6dcfd9
hex#6dcfd9
rgbrgb(109, 207, 217)
hslhsl(186, 59%, 64%)
oklchoklch(0.799 0.093 204.2)
Closest name: Hidden Sea Glass (#6fd1c9)Relative luminance 0.5289

Colors that go with #6dcfd9

Charcoal, Dark Salmon 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 →

#d9786d

#6dd9ae · #6d98d9

#d96dcf · #cfd96d

Split-complementary

Open in tool →

#d96d98 · #d9ae6d

#ae6dd9 · #d9786d · #98d96d

Contrast

#6dcfd9 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #24808a as the text (4.64:1)
  • AAA: use #1b6269 as the text (7.01:1)
  • AA: or shift the background to #4f4f4f (4.52:1)
  • AAA: or shift the background to #303030 (7.28:1)
Aaon black
11.58:1passpasspassPasses 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 #6dcfd9 as the background.

Brands using this color

Fonts for this mood

#6dcfd9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6dcfd9
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 #6dcfd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6dcfd9-a2b8be-df4e86-1f262d-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