Color

#556872

#556872
hex#556872
rgbrgb(85, 104, 114)
hslhsl(201, 15%, 39%)
oklchoklch(0.505 0.028 231)
Closest name: Alley Cat (#656874)Relative luminance 0.1305

Colors that go with #556872

Charcoal, Champagne and Cobalt Blue 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 →

#725f55

#55726e · #555972

#725568 · #687255

Split-complementary

Open in tool →

#725559 · #726e55

#6e5572 · #725f55 · #597255

Contrast

#556872 as textRatioAAAA largeAAAFix
Aaon white
5.82:1passpassfail
  • AAA: use #4a5b64 as the text (7.07:1)
Aaon black
3.61:1failpassfail
  • AA: use #627884 as the text (4.54:1)
  • AAA: use #8499a4 as the text (7.07:1)
  • AA: or shift the background to #e3e3e3 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556872 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 #556872
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 #556872 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556872-9cb1c4-df4e62-1f222d-e9f1f0?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