Color

#4fddf3

#4fddf3
hex#4fddf3
rgbrgb(79, 221, 243)
hslhsl(188, 87%, 63%)
oklchoklch(0.831 0.123 209.7)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5985

Colors that go with #4fddf3

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f3644f

#4ff3b7 · #4f8bf3

#f34fdd · #ddf34f

Split-complementary

Open in tool →

#f34f8b · #f3b74f

#b74ff3 · #f3644f · #8bf34f

Contrast

#4fddf3 as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #0a8194 as the text (4.58:1)
  • AAA: use #08606e as the text (7.22:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.24:1)
Aaon black
12.97:1passpasspassPasses 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 #4fddf3 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

#4fddf3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4fddf3
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 #4fddf3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fddf3-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