Color

#528e5b

#528e5b
hex#528e5b
rgbrgb(82, 142, 91)
hslhsl(129, 27%, 44%)
oklchoklch(0.592 0.1 147.7)
Closest name: Illuminati Green (#419168)Relative luminance 0.219

Colors that go with #528e5b

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e5285

#678e52 · #528e79

#5b528e · #8e5b52

Split-complementary

Open in tool →

#79528e · #8e5267

#52678e · #8e5285 · #8e7952

Contrast

#528e5b as textRatioAAAA largeAAAFix
Aaon white
3.9:1failpassfail
  • AA: use #4a8253 as the text (4.56:1)
  • AAA: use #38613e as the text (7.12:1)
  • AA: or shift the background to #171717 (4.59:1)
Aaon black
5.38:1passpassfail
  • AAA: use #60a46a as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #528e5b 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 #528e5b
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 #528e5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/528e5b-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