Color

#519938

#519938
hex#519938
rgbrgb(81, 153, 56)
hslhsl(105, 46%, 41%)
oklchoklch(0.615 0.151 138.6)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2482

Colors that go with #519938

Charcoal, Blue 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 →

#813899

#819938 · #389951

#385199 · #993851

Split-complementary

Open in tool →

#513899 · #993881

#388199 · #813899 · #995138

Contrast

#519938 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #458230 as the text (4.68:1)
  • AAA: use #336124 as the text (7.3:1)
  • AA: or shift the background to #212121 (4.57:1)
Aaon black
5.96:1passpassfail
  • AAA: use #58a83e as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519938 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 #519938
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 #519938 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519938-a6bea2-754edf-1f2d22-eff1e9?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