Color

#578e5f

#578e5f
hex#578e5f
rgbrgb(87, 142, 95)
hslhsl(129, 24%, 45%)
oklchoklch(0.595 0.092 147.8)
Closest name: Illuminati Green (#419168)Relative luminance 0.222

Colors that go with #578e5f

Charcoal, Blue and Burlywood 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e5786

#6a8e57 · #578e7b

#5f578e · #8e5f57

Split-complementary

Open in tool →

#7b578e · #8e576a

#576a8e · #8e5786 · #8e7b57

Contrast

#578e5f as textRatioAAAA largeAAAFix
Aaon white
3.86:1failpassfail
  • AA: use #4f8257 as the text (4.5:1)
  • AAA: use #3a5f40 as the text (7.26:1)
  • AA: or shift the background to #1a1a1a (4.51:1)
Aaon black
5.44:1passpassfail
  • AAA: use #6aa473 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #578e5f 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 #578e5f
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 #578e5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/578e5f-a2bea9-ae4edf-1f2d27-ecf1e9?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