Color

#55cdd3

#55cdd3
hex#55cdd3
rgbrgb(85, 205, 211)
hslhsl(183, 59%, 58%)
oklchoklch(0.783 0.107 199.8)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.503

Colors that go with #55cdd3

Charcoal, Light Coral and Blue 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 →

#d35b55

#55d39a · #558ed3

#d355cd · #cdd355

Split-complementary

Open in tool →

#d3558e · #d39a55

#9a55d3 · #d35b55 · #8ed355

Contrast

#55cdd3 as textRatioAAAA largeAAAFix
Aaon white
1.9:1failfailfail
  • AA: use #238186 as the text (4.61:1)
  • AAA: use #1a6265 as the text (7.05:1)
  • AA: or shift the background to #4a4a4a (4.67:1)
  • AAA: or shift the background to #2e2e2e (7.15:1)
Aaon black
11.06:1passpasspassPasses 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 #55cdd3 as the background.

Brands using this color

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

Fonts for this mood

#55cdd3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #55cdd3
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 #55cdd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55cdd3-a2b9be-d4598e-1f262d-e9f1ee?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