Color

#667a79

#667a79
hex#667a79
rgbrgb(102, 122, 121)
hslhsl(177, 9%, 44%)
oklchoklch(0.563 0.024 192.8)
Closest name: Blue Blood (#6b7f81)Relative luminance 0.1812

Colors that go with #667a79

Charcoal, Champagne and Cobalt Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #667a79

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a6667

#667a6f · #66717a

#79667a · #7a7966

Split-complementary

Open in tool →

#7a6671 · #7a6f66

#6f667a · #7a6667 · #717a66

Contrast

#667a79 as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #4d5c5b as the text (7.01:1)
Aaon black
4.62:1passpassfail
  • AAA: use #859998 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667a79 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

#667a79 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #667a79
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #667a79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667a79-a2bcbe-d4599b-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