Color

#3eddf9

#3eddf9
hex#3eddf9
rgbrgb(62, 221, 249)
hslhsl(189, 94%, 61%)
oklchoklch(0.829 0.132 212.4)
Closest name: Aqua (#0ff0fe)Relative luminance 0.5958

Colors that go with #3eddf9

Charcoal, Crimson and Dodger 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.

Real palettes that use #3eddf9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f95a3e

#3ef9b8 · #3e80f9

#f93edd · #ddf93e

Split-complementary

Open in tool →

#f93e80 · #f9b83e

#b83ef9 · #f95a3e · #80f93e

Contrast

#3eddf9 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #057f94 as the text (4.7:1)
  • AAA: use #046172 as the text (7.1:1)
  • AA: or shift the background to #545454 (4.66:1)
  • AAA: or shift the background to #383838 (7.21:1)
Aaon black
12.92:1passpasspassPasses 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 #3eddf9 as the background.

Brands using this color

Fonts for this mood

#3eddf9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3eddf9
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 #3eddf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3eddf9-a2b7be-df4e7e-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