Color

#63bfbe

#63bfbe
hex#63bfbe
rgbrgb(99, 191, 190)
hslhsl(179, 42%, 57%)
oklchoklch(0.748 0.088 194.5)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4363

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf6365

#63bf90 · #6393bf

#be63bf · #bfbe63

Split-complementary

Open in tool →

#bf6393 · #bf9063

#9063bf · #bf6365 · #93bf63

Contrast

#63bfbe as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #358281 as the text (4.51:1)
  • AAA: use #265e5d as the text (7.39:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #262626 (7.01:1)
Aaon black
9.73:1passpasspassPasses 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 #63bfbe 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 #63bfbe
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 #63bfbe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/63bfbe-a2bbbe-d45996-1f272d-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