Color

#57bcbc

#57bcbc
hex#57bcbc
rgbrgb(87, 188, 188)
hslhsl(180, 43%, 54%)
oklchoklch(0.736 0.094 195.3)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4162

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc5757

#57bc8a · #578abc

#bc57bc · #bcbc57

Split-complementary

Open in tool →

#bc578a · #bc8a57

#8a57bc · #bc5757 · #8abc57

Contrast

#57bcbc as textRatioAAAA largeAAAFix
Aaon white
2.25:1failfailfail
  • AA: use #338080 as the text (4.63:1)
  • AAA: use #265f5f as the text (7.28:1)
  • AA: or shift the background to #404040 (4.6:1)
  • AAA: or shift the background to #212121 (7.15:1)
Aaon black
9.32:1passpasspassPasses 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 #57bcbc 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

#57bcbc reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #57bcbc
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 #57bcbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57bcbc-a2bbbe-d45994-1f272d-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