Color

#557769

#557769
hex#557769
rgbrgb(85, 119, 105)
hslhsl(155, 17%, 40%)
oklchoklch(0.539 0.045 167.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1614

Colors that go with #557769

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 #557769

Tints & shades

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

Harmonies

Complementary

Open in tool →

#775563

#557758 · #557477

#695577 · #776955

Split-complementary

Open in tool →

#775574 · #775855

#585577 · #775563 · #747755

Contrast

#557769 as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #425c51 as the text (7.29:1)
Aaon black
4.23:1failpassfail
  • AA: use #597d6e as the text (4.58:1)
  • AAA: use #769e8d as the text (7.05:1)
  • AA: or shift the background to #f5f5f5 (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 #557769 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #557769
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 #557769 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557769-a2beb6-d459c8-1f2d2d-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