Color

#4dd5cf

#4dd5cf
hex#4dd5cf
rgbrgb(77, 213, 207)
hslhsl(177, 62%, 57%)
oklchoklch(0.799 0.116 190.9)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5367

Colors that go with #4dd5cf

Charcoal, Deep Sky Blue and Light Coral 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 →

#d54d54

#4dd58b · #4d98d5

#cf4dd5 · #d5cf4d

Split-complementary

Open in tool →

#d54d98 · #d58b4d

#8b4dd5 · #d54d54 · #98d54d

Contrast

#4dd5cf as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #1f847f as the text (4.5:1)
  • AAA: use #17635f as the text (7.03:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.06:1)
Aaon black
11.73:1passpasspassPasses 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 #4dd5cf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4dd5cf
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 #4dd5cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dd5cf-a2bcbe-d4599b-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