Color

#1bbbab

#1bbbab
hex#1bbbab
rgbrgb(27, 187, 171)
hslhsl(174, 75%, 42%)
oklchoklch(0.714 0.122 183.9)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3871

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb1b2b

#1bbb5b · #1b7bbb

#ab1bbb · #bbab1b

Split-complementary

Open in tool →

#bb1b7b · #bb5b1b

#5b1bbb · #bb1b2b · #7bbb1b

Contrast

#1bbbab as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #128176 as the text (4.74:1)
  • AAA: use #0e625a as the text (7.21:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.1:1)
Aaon black
8.74:1passpasspassPasses 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 #1bbbab 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 #1bbbab
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 #1bbbab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bbbab-a2bebe-d459a1-1f292d-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