Color

#4fade3

#4fade3
hex#4fade3
rgbrgb(79, 173, 227)
hslhsl(202, 73%, 60%)
oklchoklch(0.713 0.118 237)
Closest name: Cousteau (#55a9d6)Relative luminance 0.371

Colors that go with #4fade3

Charcoal, Peru and Amber 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 →

#e3854f

#4fe3d0 · #4f62e3

#e34fad · #ade34f

Split-complementary

Open in tool →

#e34f62 · #e3d04f

#d04fe3 · #e3854f · #62e34f

Contrast

#4fade3 as textRatioAAAA largeAAAFix
Aaon white
2.49:1failfailfail
  • AA: use #1c7db5 as the text (4.52:1)
  • AAA: use #155e89 as the text (7.01:1)
  • AA: or shift the background to #383838 (4.7:1)
  • AAA: or shift the background to #171717 (7.19:1)
Aaon black
8.42:1passpasspassPasses 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 #4fade3 as the background.

Brands using this color

Fonts for this mood

#4fade3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4fade3
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 #4fade3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4fade3-9cb1c4-df4e5f-1f222d-e9f1f0?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