Color

#666756

#666756
hex#666756
rgbrgb(102, 103, 86)
hslhsl(64, 9%, 37%)
oklchoklch(0.508 0.026 110)
Closest name: Italian Basil (#5f6957)Relative luminance 0.132

Colors that go with #666756

Charcoal, Champagne and Copper 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 →

#575667

#675f56 · #5d6756

#566667 · #675666

Split-complementary

Open in tool →

#565d67 · #5f5667

#56675f · #575667 · #67565d

Contrast

#666756 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #58594a as the text (7.14:1)
Aaon black
3.64:1failpassfail
  • AA: use #767864 as the text (4.64:1)
  • AAA: use #959782 as the text (7.03:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666756 as the background.

Brands using this color

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

Fonts for this mood

#666756 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #666756
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 #666756 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/666756-b9bea2-4e8adf-262d1f-f1eee9?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