Color

#55d3cb

#55d3cb
hex#55d3cb
rgbrgb(85, 211, 203)
hslhsl(176, 59%, 58%)
oklchoklch(0.795 0.111 189.3)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5283

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d3555d

#55d38b · #559cd3

#cb55d3 · #d3cb55

Split-complementary

Open in tool →

#d3559c · #d38b55

#8b55d3 · #d3555d · #9cd355

Contrast

#55d3cb as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #21827b as the text (4.62:1)
  • AAA: use #19615c as the text (7.23:1)
  • AA: or shift the background to #4f4f4f (4.51:1)
  • AAA: or shift the background to #303030 (7.27:1)
Aaon black
11.57:1passpasspassPasses 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 #55d3cb 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 #55d3cb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #55d3cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55d3cb-a2bdbe-d4599d-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