Color

#4defbf

#4defbf
hex#4defbf
rgbrgb(77, 239, 191)
hslhsl(162, 84%, 62%)
oklchoklch(0.857 0.15 169.1)
Closest name: Aphrodite Aqua (#45e9c1)Relative luminance 0.6707

Colors that go with #4defbf

Charcoal, Crimson 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 →

#ef4d7e

#4def6d · #4dcfef

#bf4def · #efbf4d

Split-complementary

Open in tool →

#ef4dcf · #ef6d4d

#6d4def · #ef4d7e · #cfef4d

Contrast

#4defbf as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #0b835f as the text (4.74:1)
  • AAA: use #096348 as the text (7.27:1)
  • AA: or shift the background to #5c5c5c (4.59:1)
  • AAA: or shift the background to #404040 (7.12:1)
Aaon black
14.41:1passpasspassPasses 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 #4defbf as the background.

Brands using this color

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

tool url/palettes/new/4defbf-a2beb9-d459b9-1f2b2d-e9f1eb?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