Color

#667d3f

#667d3f
hex#667d3f
rgbrgb(102, 125, 63)
hslhsl(82, 33%, 37%)
oklchoklch(0.556 0.092 126)
Closest name: Beyond the Pines (#688049)Relative luminance 0.1785

Colors that go with #667d3f

Charcoal, Dark Orchid and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#563f7d

#7d753f · #487d3f

#3f677d · #7d3f67

Split-complementary

Open in tool →

#3f487d · #753f7d

#3f7d75 · #563f7d · #7d3f48

Contrast

#667d3f as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #4b5c2e as the text (7.32:1)
Aaon black
4.57:1passpassfail
  • AAA: use #829f50 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #667d3f 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 #667d3f
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 #667d3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/667d3f-b0bea2-4e5fdf-222d1f-f1f0e9?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