Color

#3feeee

#3feeee
hex#3feeee
rgbrgb(63, 238, 238)
hslhsl(180, 84%, 59%)
oklchoklch(0.865 0.136 194.9)
Closest name: Aqua (#0ff0fe)Relative luminance 0.6838

Colors that go with #3feeee

Charcoal, Deep Sky Blue and Taupe 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 #3feeee

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ee3f3f

#3fee96 · #3f96ee

#ee3fee · #eeee3f

Split-complementary

Open in tool →

#ee3f96 · #ee963f

#963fee · #ee3f3f · #96ee3f

Contrast

#3feeee as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #0b8383 as the text (4.58:1)
  • AAA: use #096363 as the text (7.06:1)
  • AA: or shift the background to #5e5e5e (4.53:1)
  • AAA: or shift the background to #424242 (7.02:1)
Aaon black
14.68:1passpasspassPasses 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 #3feeee 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

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

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

tool url/palettes/new/3feeee-a2bbbe-d45994-1f272d-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