brandsweets

Color

#18bfbc

#18bfbc
hex#18bfbc
rgbrgb(24, 191, 188)
hslhsl(179, 78%, 42%)
oklchoklch(0.729 0.122 192.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4109
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
18bfbcbf181a

#bf181a

Analogous

Open in tool →
18bfbc18bf68186ebf

#18bf68 · #186ebf

Triadic

Open in tool →
18bfbcbc18bfbfbc18

#bc18bf · #bfbc18

Split-complementary

Open in tool →
18bfbcbf186ebf6818

#bf186e · #bf6818

Tetradic

Open in tool →
18bfbc6818bfbf181a6ebf18

#6818bf · #bf181a · #6ebf18

Contrast

#18bfbc as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #108482 as the text (4.52:1)
  • AAA: use #0c5f5e as the text (7.46:1)
  • AA: or shift the background to #404040 (4.55:1)
  • AAA: or shift the background to #212121 (7.07:1)
Aaon black
9.22:1passpasspassPasses 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 #18bfbc as the background.

Brands using this color

mcpConnect your agent — build around #18bfbc
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 #18bfbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18bfbc-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