Color

#15bcbc

#15bcbc
hex#15bcbc
rgbrgb(21, 188, 188)
hslhsl(180, 80%, 41%)
oklchoklch(0.721 0.12 194.8)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.3976

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc1515

#15bc69 · #1569bc

#bc15bc · #bcbc15

Split-complementary

Open in tool →

#bc1569 · #bc6915

#6915bc · #bc1515 · #69bc15

Contrast

#15bcbc as textRatioAAAA largeAAAFix
Aaon white
2.35:1failfailfail
  • AA: use #0e8181 as the text (4.69:1)
  • AAA: use #0b6060 as the text (7.35:1)
  • AA: or shift the background to #3d3d3d (4.63:1)
  • AAA: or shift the background to #1f1f1f (7.03:1)
Aaon black
8.95:1passpasspassPasses 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 #15bcbc as the background.

Brands using this color

Fonts for this mood

#15bcbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #15bcbc
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 #15bcbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/15bcbc-a2bbbe-d45994-1f272d-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