Color

#6dd4e3

#6dd4e3
hex#6dd4e3
rgbrgb(109, 212, 227)
hslhsl(188, 68%, 66%)
oklchoklch(0.814 0.098 207.9)
Closest name: Sky Blue (#87ceeb)Relative luminance 0.5588

Colors that go with #6dd4e3

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 →

#e37d6d

#6de3b8 · #6d99e3

#e36dd4 · #d4e36d

Split-complementary

Open in tool →

#e36d99 · #e3b86d

#b86de3 · #e37d6d · #99e36d

Contrast

#6dd4e3 as textRatioAAAA largeAAAFix
Aaon white
1.72:1failfailfail
  • AA: use #1c8292 as the text (4.51:1)
  • AAA: use #14606b as the text (7.2:1)
  • AA: or shift the background to #525252 (4.53:1)
  • AAA: or shift the background to #363636 (7.01:1)
Aaon black
12.18:1passpasspassPasses 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 #6dd4e3 as the background.

Brands using this color

Fonts for this mood

#6dd4e3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6dd4e3
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 #6dd4e3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6dd4e3-a2b7be-df4e81-1f252d-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