Color

#3ddee1

#3ddee1
hex#3ddee1
rgbrgb(61, 222, 225)
hslhsl(181, 73%, 56%)
oklchoklch(0.823 0.128 196.9)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5867

Colors that go with #3ddee1

Charcoal, Deep Sky Blue and Light Coral 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 #3ddee1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e1403d

#3de192 · #3d8ce1

#e13dde · #dee13d

Split-complementary

Open in tool →

#e13d8c · #e1923d

#923de1 · #e1403d · #8ce13d

Contrast

#3ddee1 as textRatioAAAA largeAAAFix
Aaon white
1.65:1failfailfail
  • AA: use #158284 as the text (4.61:1)
  • AAA: use #0f6061 as the text (7.33:1)
  • AA: or shift the background to #545454 (4.59:1)
  • AAA: or shift the background to #383838 (7.11:1)
Aaon black
12.73:1passpasspassPasses 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 #3ddee1 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

#3ddee1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3ddee1
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 #3ddee1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ddee1-a2babe-d45992-1f272d-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