Color

#559173

#559173
hex#559173
rgbrgb(85, 145, 115)
hslhsl(150, 26%, 45%)
oklchoklch(0.607 0.078 161.1)
Closest name: Illuminati Green (#419168)Relative luminance 0.2342

Colors that go with #559173

Charcoal, Copper and Crimson 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 #559173

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915573

#559155 · #559191

#735591 · #917355

Split-complementary

Open in tool →

#915591 · #915555

#555591 · #915573 · #919155

Contrast

#559173 as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #4b8166 as the text (4.53:1)
  • AAA: use #39604d as the text (7.11:1)
  • AA: or shift the background to #1c1c1c (4.61:1)
Aaon black
5.68:1passpassfail
  • AAA: use #62a382 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 #559173 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 #559173
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 #559173 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/559173-a2beb3-d459d2-1f2d2c-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