Color

#666d46

#666d46
hex#666d46
rgbrgb(102, 109, 70)
hslhsl(71, 22%, 35%)
oklchoklch(0.518 0.058 116.8)
Closest name: Bancha (#666a47)Relative luminance 0.142

Colors that go with #666d46

Charcoal, Slate Blue and Champagne 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 #666d46

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d466d

#6d6046 · #526d46

#46666d · #6d4666

Split-complementary

Open in tool →

#46526d · #60466d

#466d60 · #4d466d · #6d4652

Contrast

#666d46 as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #545a3a as the text (7.24:1)
Aaon black
3.84:1failpassfail
  • AA: use #71794e as the text (4.55:1)
  • AAA: use #919c63 as the text (7.14:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666d46 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

mcpConnect your agent — build around #666d46
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 #666d46 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/666d46-b6bea2-4e7adf-252d1f-f1efe9?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