Color

#3bf1bb

#3bf1bb
hex#3bf1bb
rgbrgb(59, 241, 187)
hslhsl(162, 87%, 59%)
oklchoklch(0.857 0.161 167.7)
Closest name: Aphrodite Aqua (#45e9c1)Relative luminance 0.6743

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f13b72

#3bf160 · #3bcdf1

#bb3bf1 · #f1bb3b

Split-complementary

Open in tool →

#f13bcd · #f1603b

#603bf1 · #f13b72 · #cdf13b

Contrast

#3bf1bb as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #098660 as the text (4.57:1)
  • AAA: use #076448 as the text (7.18:1)
  • AA: or shift the background to #5c5c5c (4.61:1)
  • AAA: or shift the background to #404040 (7.15:1)
Aaon black
14.49:1passpasspassPasses 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 #3bf1bb as the background.

Brands using this color

mcpConnect your agent — build around #3bf1bb
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 #3bf1bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bf1bb-a2beb9-d459b9-1f2b2d-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