Color

#57cbb2

#57cbb2
hex#57cbb2
rgbrgb(87, 203, 178)
hslhsl(167, 53%, 57%)
oklchoklch(0.769 0.112 176.7)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4795

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb5770

#57cb78 · #57abcb

#b257cb · #cbb257

Split-complementary

Open in tool →

#cb57ab · #cb7857

#7857cb · #cb5770 · #abcb57

Contrast

#57cbb2 as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #28816d as the text (4.72:1)
  • AAA: use #1e6253 as the text (7.17:1)
  • AA: or shift the background to #474747 (4.69:1)
  • AAA: or shift the background to #2b2b2b (7.14:1)
Aaon black
10.59:1passpasspassPasses 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 #57cbb2 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 #57cbb2
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 #57cbb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/57cbb2-a2bebb-d459af-1f2a2d-e9f1ec?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