Color

#669393

#669393
hex#669393
rgbrgb(102, 147, 147)
hslhsl(180, 18%, 49%)
oklchoklch(0.631 0.049 196)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.258

Tints & shades

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

Harmonies

Complementary

Open in tool →

#936666

#66937d · #667d93

#936693 · #939366

Split-complementary

Open in tool →

#93667d · #937d66

#7d6693 · #936666 · #7d9366

Contrast

#669393 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #567b7b as the text (4.65:1)
  • AAA: use #415d5d as the text (7.12:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.16:1passpassfail
  • AAA: use #729d9d as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #669393 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 #669393
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 #669393 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/669393-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