Color

#57d1cd

#57d1cd
hex#57d1cd
rgbrgb(87, 209, 205)
hslhsl(178, 57%, 58%)
oklchoklch(0.791 0.108 192.2)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d1575b

#57d190 · #5798d1

#cd57d1 · #d1cd57

Split-complementary

Open in tool →

#d15798 · #d19057

#9057d1 · #d1575b · #98d157

Contrast

#57d1cd as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #23807d as the text (4.71:1)
  • AAA: use #1a605e as the text (7.29:1)
  • AA: or shift the background to #4d4d4d (4.59:1)
  • AAA: or shift the background to #303030 (7.17:1)
Aaon black
11.41:1passpasspassPasses 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 #57d1cd 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 #57d1cd
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 #57d1cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57d1cd-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