Color

#66775f

#66775f
hex#66775f
rgbrgb(102, 119, 95)
hslhsl(103, 11%, 42%)
oklchoklch(0.548 0.042 136.6)
Closest name: Ecological (#677f70)Relative luminance 0.1684

Colors that go with #66775f

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 #66775f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#705f77

#72775f · #5f7764

#5f6677 · #775f66

Split-complementary

Open in tool →

#645f77 · #775f72

#5f7277 · #705f77 · #77645f

Contrast

#66775f as textRatioAAAA largeAAAFix
Aaon white
4.81:1passpassfail
  • AAA: use #4e5b49 as the text (7.2:1)
Aaon black
4.37:1failpassfail
  • AA: use #687a62 as the text (4.55:1)
  • AAA: use #899b82 as the text (7.07:1)
  • AA: or shift the background to #fafafa (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 #66775f 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 #66775f
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 #66775f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/66775f-a6bea2-704edf-1f2d21-eff1e9?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