Color

#4cfaf5

#4cfaf5
hex#4cfaf5
rgbrgb(76, 250, 245)
hslhsl(178, 95%, 64%)
oklchoklch(0.898 0.138 192.1)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.765

Colors that go with #4cfaf5

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa4c52

#4cfa9d · #4ca9fa

#f54cfa · #faf54c

Split-complementary

Open in tool →

#fa4ca9 · #fa9d4c

#9d4cfa · #fa4c52 · #a9fa4c

Contrast

#4cfaf5 as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #03817d as the text (4.73:1)
  • AAA: use #036360 as the text (7.1:1)
  • AA: or shift the background to #636363 (4.66:1)
  • AAA: or shift the background to #474747 (7.21:1)
Aaon black
16.3:1passpasspassPasses 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 #4cfaf5 as the background.

Brands using this color

mcpConnect your agent — build around #4cfaf5
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 #4cfaf5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4cfaf5-a2bcbe-d45999-1f282d-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