Color

#57cbab

#57cbab
hex#57cbab
rgbrgb(87, 203, 171)
hslhsl(163, 53%, 57%)
oklchoklch(0.767 0.116 172.2)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4768

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb5778

#57cb70 · #57b2cb

#ab57cb · #cbab57

Split-complementary

Open in tool →

#cb57b2 · #cb7057

#7057cb · #cb5778 · #b2cb57

Contrast

#57cbab as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #29856b as the text (4.5:1)
  • AAA: use #1e624e as the text (7.21:1)
  • AA: or shift the background to #474747 (4.66:1)
  • AAA: or shift the background to #2b2b2b (7.1:1)
Aaon black
10.54:1passpasspassPasses 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 #57cbab 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 #57cbab
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 #57cbab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57cbab-a2beb9-d459b7-1f2b2d-e9f1eb?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