Color

#559190

#559190
hex#559190
rgbrgb(85, 145, 144)
hslhsl(179, 26%, 45%)
oklchoklch(0.616 0.063 194.3)
Closest name: Highlands (#449084)Relative luminance 0.242

Colors that go with #559190

Charcoal, Copper and Cobalt Blue 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 #559190

Tints & shades

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

Harmonies

Complementary

Open in tool →

#915556

#559172 · #557491

#905591 · #919055

Split-complementary

Open in tool →

#915574 · #917255

#725591 · #915556 · #749155

Contrast

#559190 as textRatioAAAA largeAAAFix
Aaon white
3.6:1failpassfail
  • AA: use #4a7d7c as the text (4.65:1)
  • AAA: use #375d5d as the text (7.28:1)
  • AA: or shift the background to #1f1f1f (4.58:1)
Aaon black
5.84:1passpassfail
  • AAA: use #5ea1a0 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 #559190 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 #559190
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 #559190 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/559190-a2bbbe-d45996-1f272d-e9f1ed?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