Color

#31bfbc

#31bfbc
hex#31bfbc
rgbrgb(49, 191, 188)
hslhsl(179, 59%, 47%)
oklchoklch(0.733 0.115 192.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4155

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf3133

#31bf75 · #317abf

#bc31bf · #bfbc31

Split-complementary

Open in tool →

#bf317a · #bf7531

#7531bf · #bf3133 · #7abf31

Contrast

#31bfbc as textRatioAAAA largeAAAFix
Aaon white
2.26:1failfailfail
  • AA: use #218280 as the text (4.6:1)
  • AAA: use #196160 as the text (7.19:1)
  • AA: or shift the background to #404040 (4.6:1)
  • AAA: or shift the background to #212121 (7.14:1)
Aaon black
9.31:1passpasspassPasses 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 #31bfbc as the background.

Brands using this color

mcpConnect your agent — build around #31bfbc
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 #31bfbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31bfbc-a2bbbe-d45996-1f272d-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