Color

#557c63

#557c63
hex#557c63
rgbrgb(85, 124, 99)
hslhsl(142, 19%, 41%)
oklchoklch(0.55 0.059 155.8)
Closest name: Clouded Pine (#628468)Relative luminance 0.1725

Colors that go with #557c63

Charcoal, Burlywood and Champagne 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 #557c63

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c556e

#5a7c55 · #557c77

#63557c · #7c6355

Split-complementary

Open in tool →

#77557c · #7c555a

#555a7c · #7c556e · #7c7755

Contrast

#557c63 as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #405e4b as the text (7.19:1)
Aaon black
4.45:1failpassfail
  • AA: use #577f66 as the text (4.63:1)
  • AAA: use #73a084 as the text (7.09:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #557c63 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 #557c63
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 #557c63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557c63-a2beaf-c659d4-1f2d2a-eaf1e9?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