Color

#579889

#579889
hex#579889
rgbrgb(87, 152, 137)
hslhsl(166, 27%, 47%)
oklchoklch(0.632 0.071 177.3)
Closest name: Highlands (#449084)Relative luminance 0.2629

Colors that go with #579889

Charcoal, Copper and Blush Pink 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 #579889

Tints & shades

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

Harmonies

Complementary

Open in tool →

#985767

#579869 · #578798

#895798 · #988957

Split-complementary

Open in tool →

#985787 · #986957

#695798 · #985767 · #879857

Contrast

#579889 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #497e72 as the text (4.66:1)
  • AAA: use #365e55 as the text (7.27:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.26:1passpassfail
  • AAA: use #5da292 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #579889 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 #579889
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 #579889 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/579889-a2bebb-d459b1-1f2a2d-e9f1ec?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