Color

#4dd7ef

#4dd7ef
hex#4dd7ef
rgbrgb(77, 215, 239)
hslhsl(189, 84%, 62%)
oklchoklch(0.815 0.121 211.4)
Closest name: Hammam Blue (#65dcd6)Relative luminance 0.5641

Colors that go with #4dd7ef

Charcoal, Dark Salmon 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 →

#ef654d

#4defb7 · #4d86ef

#ef4dd7 · #d7ef4d

Split-complementary

Open in tool →

#ef4d86 · #efb74d

#b74def · #ef654d · #86ef4d

Contrast

#4dd7ef as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #0d8296 as the text (4.52:1)
  • AAA: use #0a6171 as the text (7.09:1)
  • AA: or shift the background to #525252 (4.57:1)
  • AAA: or shift the background to #363636 (7.07:1)
Aaon black
12.28:1passpasspassPasses 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 #4dd7ef 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

#4dd7ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4dd7ef
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 #4dd7ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dd7ef-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