Color

#558271

#558271
hex#558271
rgbrgb(85, 130, 113)
hslhsl(157, 21%, 42%)
oklchoklch(0.569 0.056 168.6)
Closest name: Clouded Pine (#628468)Relative luminance 0.1909

Colors that go with #558271

Charcoal, Champagne and Copper 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 #558271

Tints & shades

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

Harmonies

Complementary

Open in tool →

#825566

#55825a · #557c82

#705582 · #827055

Split-complementary

Open in tool →

#82557c · #825a55

#5a5582 · #825566 · #7c8255

Contrast

#558271 as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #537f6e as the text (4.54:1)
  • AAA: use #3c5d50 as the text (7.31:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #6ea08d as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558271 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 #558271
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 #558271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558271-a2beb7-d459c4-1f2c2d-e9f1ea?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