Color

#557776

#557776
hex#557776
rgbrgb(85, 119, 118)
hslhsl(178, 17%, 40%)
oklchoklch(0.543 0.039 193.8)
Closest name: Batman (#656e72)Relative luminance 0.1643

Colors that go with #557776

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 #557776

Tints & shades

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

Harmonies

Complementary

Open in tool →

#775556

#557765 · #556777

#765577 · #777655

Split-complementary

Open in tool →

#775567 · #776555

#655577 · #775556 · #677755

Contrast

#557776 as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #425c5c as the text (7.2:1)
Aaon black
4.29:1failpassfail
  • AA: use #597d7c as the text (4.65:1)
  • AAA: use #769e9c as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #557776 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 #557776
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 #557776 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557776-a2bcbe-d45999-1f282d-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