Color

#578e7d

#578e7d
hex#578e7d
rgbrgb(87, 142, 125)
hslhsl(161, 24%, 45%)
oklchoklch(0.603 0.064 172.4)
Closest name: Highlands (#449084)Relative luminance 0.2285

Colors that go with #578e7d

Charcoal, Copper 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 #578e7d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e5769

#578e61 · #57848e

#7d578e · #8e7d57

Split-complementary

Open in tool →

#8e5784 · #8e6157

#61578e · #8e5769 · #848e57

Contrast

#578e7d as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #4e7e6f as the text (4.63:1)
  • AAA: use #3a5f53 as the text (7.14:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #67a28f as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #578e7d 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 #578e7d
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 #578e7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/578e7d-a2beb8-d459bb-1f2c2d-e9f1eb?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