Color

#667a67

#667a67
hex#667a67
rgbrgb(102, 122, 103)
hslhsl(123, 9%, 44%)
oklchoklch(0.558 0.037 146.4)
Closest name: Ecological (#677f70)Relative luminance 0.1772

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7a6679

#6f7a66 · #667a71

#67667a · #7a6766

Split-complementary

Open in tool →

#71667a · #7a666f

#666f7a · #7a6679 · #7a7166

Contrast

#667a67 as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #4d5c4d as the text (7.11:1)
Aaon black
4.54:1passpassfail
  • AAA: use #879b88 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667a67 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#667a67 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #667a67
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 #667a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667a67-a2bea6-a04edf-1f2d26-edf1e9?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