Color

#667a6f

#667a6f
hex#667a6f
rgbrgb(102, 122, 111)
hslhsl(147, 9%, 44%)
oklchoklch(0.56 0.029 161.3)
Closest name: Ecological (#677f70)Relative luminance 0.1789

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a6671

#677a66 · #667a79

#6f667a · #7a6f66

Split-complementary

Open in tool →

#79667a · #7a6667

#66677a · #7a6671 · #7a7966

Contrast

#667a6f as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #4d5c53 as the text (7.07:1)
Aaon black
4.58:1passpassfail
  • AAA: use #879b90 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667a6f 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

#667a6f reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #667a6f
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 #667a6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667a6f-a2beb2-d059d4-1f2d2c-eaf1e9?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