Color

#588d66

#588d66
hex#588d66
rgbrgb(88, 141, 102)
hslhsl(136, 23%, 45%)
oklchoklch(0.595 0.082 151.6)
Closest name: Illuminati Green (#419168)Relative luminance 0.2208

Colors that go with #588d66

Charcoal, Champagne and Copper 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 →

#8d587f

#658d58 · #588d81

#66588d · #8d6658

Split-complementary

Open in tool →

#81588d · #8d5865

#58658d · #8d587f · #8d8158

Contrast

#588d66 as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #51815d as the text (4.52:1)
  • AAA: use #3d6147 as the text (7:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.42:1passpassfail
  • AAA: use #6ca37a as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #588d66 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 #588d66
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 #588d66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/588d66-a2bead-b959d4-1f2d29-ebf1e9?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