Color

#15bcab

#15bcab
hex#15bcab
rgbrgb(21, 188, 171)
hslhsl(174, 80%, 41%)
oklchoklch(0.716 0.124 183.4)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3907

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc1526

#15bc58 · #1579bc

#ab15bc · #bcab15

Split-complementary

Open in tool →

#bc1579 · #bc5815

#5815bc · #bc1526 · #79bc15

Contrast

#15bcab as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #0f8579 as the text (4.51:1)
  • AAA: use #0b6058 as the text (7.42:1)
  • AA: or shift the background to #3d3d3d (4.56:1)
  • AAA: or shift the background to #1c1c1c (7.15:1)
Aaon black
8.81:1passpasspassPasses 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 #15bcab 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 #15bcab
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 #15bcab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15bcab-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