Color

#556e82

#556e82
hex#556e82
rgbrgb(85, 110, 130)
hslhsl(207, 21%, 42%)
oklchoklch(0.526 0.043 242.8)
Closest name: Ashen Whisper (#646b7a)Relative luminance 0.1469

Colors that go with #556e82

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 #556e82

Tints & shades

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

Harmonies

Complementary

Open in tool →

#826955

#55827f · #555782

#82556d · #6d8255

Split-complementary

Open in tool →

#825557 · #827f55

#7f5582 · #826955 · #578255

Contrast

#556e82 as textRatioAAAA largeAAAFix
Aaon white
5.33:1passpassfail
  • AAA: use #475b6c as the text (7.04:1)
Aaon black
3.94:1failpassfail
  • AA: use #5d788e as the text (4.54:1)
  • AAA: use #8099ac as the text (7.07:1)
  • AA: or shift the background to #ededed (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556e82 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 #556e82
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 #556e82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556e82-9cadc4-df4e53-1f212d-e9f1f1?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