Color

#557172

#557172
hex#557172
rgbrgb(85, 113, 114)
hslhsl(182, 15%, 39%)
oklchoklch(0.527 0.033 198.9)
Closest name: Batman (#656e72)Relative luminance 0.1496

Colors that go with #557172

Charcoal, Sienna and Amber 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 #557172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#725655

#557264 · #556272

#725571 · #717255

Split-complementary

Open in tool →

#725562 · #726455

#645572 · #725655 · #627255

Contrast

#557172 as textRatioAAAA largeAAAFix
Aaon white
5.26:1passpassfail
  • AAA: use #455d5e as the text (7.05:1)
Aaon black
3.99:1failpassfail
  • AA: use #5b7a7b as the text (4.51:1)
  • AAA: use #7b9c9d as the text (7.08:1)
  • AA: or shift the background to #f0f0f0 (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 #557172 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 #557172
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 #557172 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557172-a2babe-d45990-1f272d-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