Color

#566767

#566767
hex#566767
rgbrgb(86, 103, 103)
hslhsl(180, 9%, 37%)
oklchoklch(0.5 0.021 196.5)
Closest name: Dark Forest (#556962)Relative luminance 0.1266

Colors that go with #566767

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 →

#675656

#56675e · #565e67

#675667 · #676756

Split-complementary

Open in tool →

#67565e · #675e56

#5e5667 · #675656 · #5e6756

Contrast

#566767 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #4a5959 as the text (7.33:1)
Aaon black
3.53:1failpassfail
  • AA: use #667a7a as the text (4.63:1)
  • AAA: use #859999 as the text (7.01:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566767 as the background.

Brands using this color

Fonts for this mood

#566767 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #566767
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 #566767 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566767-a2bbbe-d45994-1f272d-e9f1ed?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