Color

#66735e

#66735e
hex#66735e
rgbrgb(102, 115, 94)
hslhsl(97, 10%, 41%)
oklchoklch(0.538 0.036 133.5)
Closest name: Cactus (#5b6f55)Relative luminance 0.1589

Colors that go with #66735e

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 #66735e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b5e73

#71735e · #5e7361

#5e6673 · #735e66

Split-complementary

Open in tool →

#615e73 · #735e71

#5e7173 · #6b5e73 · #73615e

Contrast

#66735e as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #505a49 as the text (7.24:1)
Aaon black
4.18:1failpassfail
  • AA: use #6b7963 as the text (4.54:1)
  • AAA: use #8c9a84 as the text (7.07:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #66735e 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 #66735e
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 #66735e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66735e-a9bea2-624edf-1f2d20-f0f1e9?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