Color

#63bfbc

#63bfbc
hex#63bfbc
rgbrgb(99, 191, 188)
hslhsl(178, 42%, 57%)
oklchoklch(0.747 0.088 192.6)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4355

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf6366

#63bf8e · #6394bf

#bc63bf · #bfbc63

Split-complementary

Open in tool →

#bf6394 · #bf8e63

#8e63bf · #bf6366 · #94bf63

Contrast

#63bfbc as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #358280 as the text (4.51:1)
  • AAA: use #265e5c as the text (7.4:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #242424 (7.18:1)
Aaon black
9.71:1passpasspassPasses 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 #63bfbc 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 #63bfbc
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 #63bfbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63bfbc-a2bcbe-d45999-1f282d-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