Color

#3bc4bd

#3bc4bd
hex#3bc4bd
rgbrgb(59, 196, 189)
hslhsl(177, 54%, 50%)
oklchoklch(0.747 0.115 190)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4408

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c43b42

#3bc479 · #3b86c4

#bd3bc4 · #c4bd3b

Split-complementary

Open in tool →

#c43b86 · #c4793b

#793bc4 · #c43b42 · #86c43b

Contrast

#3bc4bd as textRatioAAAA largeAAAFix
Aaon white
2.14:1failfailfail
  • AA: use #27827d as the text (4.59:1)
  • AAA: use #1d625f as the text (7.08:1)
  • AA: or shift the background to #424242 (4.7:1)
  • AAA: or shift the background to #262626 (7.07:1)
Aaon black
9.82:1passpasspassPasses 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 #3bc4bd 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 #3bc4bd
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 #3bc4bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc4bd-a2bcbe-d4599b-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