Color

#0cb5bb

#0cb5bb
hex#0cb5bb
rgbrgb(12, 181, 187)
hslhsl(182, 88%, 39%)
oklchoklch(0.703 0.118 199.1)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3671

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb120c

#0cbb69 · #0c5ebb

#bb0cb5 · #b5bb0c

Split-complementary

Open in tool →

#bb0c5e · #bb690c

#690cbb · #bb120c · #5ebb0c

Contrast

#0cb5bb as textRatioAAAA largeAAAFix
Aaon white
2.52:1failfailfail
  • AA: use #098286 as the text (4.62:1)
  • AAA: use #066265 as the text (7.14:1)
  • AA: or shift the background to #383838 (4.66:1)
  • AAA: or shift the background to #171717 (7.12:1)
Aaon black
8.34:1passpasspassPasses 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 #0cb5bb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0cb5bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0cb5bb
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 #0cb5bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0cb5bb-a2babe-d45990-1f272d-e9f1ee?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