Color

#566567

#566567
hex#566567
rgbrgb(86, 101, 103)
hslhsl(187, 9%, 37%)
oklchoklch(0.495 0.019 206.4)
Closest name: Dark Forest (#556962)Relative luminance 0.1227

Colors that go with #566567

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 →

#675856

#566760 · #565c67

#675665 · #656756

Split-complementary

Open in tool →

#67565c · #676056

#605667 · #675856 · #5c6756

Contrast

#566567 as textRatioAAAA largeAAAFix
Aaon white
6.08:1passpassfail
  • AAA: use #4d5a5c as the text (7.16:1)
Aaon black
3.45:1failpassfail
  • AA: use #66787a as the text (4.53:1)
  • AAA: use #87999b as the text (7.06:1)
  • AA: or shift the background to #dedede (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #566567 as the background.

Brands using this color

Fonts for this mood

#566567 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #566567
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 #566567 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/566567-a2b8be-df4e83-1f262d-e9f1ee?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