Color

#55d3cf

#55d3cf
hex#55d3cf
rgbrgb(85, 211, 207)
hslhsl(178, 59%, 58%)
oklchoklch(0.796 0.111 192.2)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5302

Colors that go with #55d3cf

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 →

#d35559

#55d390 · #5598d3

#cf55d3 · #d3cf55

Split-complementary

Open in tool →

#d35598 · #d39055

#9055d3 · #d35559 · #98d355

Contrast

#55d3cf as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #21827f as the text (4.6:1)
  • AAA: use #19615f as the text (7.2:1)
  • AA: or shift the background to #4f4f4f (4.53:1)
  • AAA: or shift the background to #303030 (7.29:1)
Aaon black
11.6:1passpasspassPasses 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 #55d3cf 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 #55d3cf
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 #55d3cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55d3cf-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