Color

#508b59

#508b59
hex#508b59
rgbrgb(80, 139, 89)
hslhsl(129, 27%, 43%)
oklchoklch(0.583 0.098 147.8)
Closest name: Illuminati Green (#419168)Relative luminance 0.2089

Colors that go with #508b59

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 →

#8b5082

#658b50 · #508b77

#59508b · #8b5950

Split-complementary

Open in tool →

#77508b · #8b5065

#50658b · #8b5082 · #8b7750

Contrast

#508b59 as textRatioAAAA largeAAAFix
Aaon white
4.06:1failpassfail
  • AA: use #4a8253 as the text (4.56:1)
  • AAA: use #38613e as the text (7.12:1)
  • AA: or shift the background to #141414 (4.54:1)
Aaon black
5.18:1passpassfail
  • 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 #508b59 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 #508b59
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 #508b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/508b59-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