Color

#57cbca

#57cbca
hex#57cbca
rgbrgb(87, 203, 202)
hslhsl(179, 53%, 57%)
oklchoklch(0.776 0.104 194.4)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.49

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb5759

#57cb8f · #5793cb

#ca57cb · #cbca57

Split-complementary

Open in tool →

#cb5793 · #cb8f57

#8f57cb · #cb5759 · #93cb57

Contrast

#57cbca as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #28817f as the text (4.63:1)
  • AAA: use #1e6260 as the text (7.07:1)
  • AA: or shift the background to #4a4a4a (4.56:1)
  • AAA: or shift the background to #2b2b2b (7.28:1)
Aaon black
10.8:1passpasspassPasses 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 #57cbca 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 #57cbca
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 #57cbca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57cbca-a2bbbe-d45996-1f272d-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