Color

#557270

#557270
hex#557270
rgbrgb(85, 114, 112)
hslhsl(176, 15%, 39%)
oklchoklch(0.529 0.034 190.9)
Closest name: Batman (#656e72)Relative luminance 0.1514

Colors that go with #557270

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 #557270

Tints & shades

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

Harmonies

Complementary

Open in tool →

#725557

#557261 · #556572

#705572 · #727055

Split-complementary

Open in tool →

#725565 · #726155

#615572 · #725557 · #657255

Contrast

#557270 as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #435b59 as the text (7.29:1)
Aaon black
4.03:1failpassfail
  • AA: use #5b7b79 as the text (4.55:1)
  • AAA: use #7b9d9b as the text (7.14:1)
  • AA: or shift the background to #f0f0f0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #557270 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 #557270
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 #557270 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557270-a2bdbe-d4599d-1f282d-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