brandsweets

Color

#11bbaf

#11bbaf
hex#11bbaf
rgbrgb(17, 187, 175)
hslhsl(176, 83%, 40%)
oklchoklch(0.714 0.123 186.6)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3875
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
11bbafbb111d

#bb111d

Analogous

Open in tool →
11bbaf11bb5b1171bb

#11bb5b · #1171bb

Triadic

Open in tool →
11bbafaf11bbbbaf11

#af11bb · #bbaf11

Split-complementary

Open in tool →
11bbafbb1171bb5b11

#bb1171 · #bb5b11

Tetradic

Open in tool →
11bbaf5b11bbbb111d71bb11

#5b11bb · #bb111d · #71bb11

Contrast

#11bbaf as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #0c837b as the text (4.62:1)
  • AAA: use #09625c as the text (7.21:1)
  • AA: or shift the background to #3d3d3d (4.53:1)
  • AAA: or shift the background to #1c1c1c (7.1:1)
Aaon black
8.75:1passpasspassPasses 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 #11bbaf as the background.

Brands using this color

mcpConnect your agent — build around #11bbaf
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 #11bbaf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11bbaf-a2bdbe-d4599d-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