Color

#519e33

#519e33
hex#519e33
rgbrgb(81, 158, 51)
hslhsl(103, 51%, 41%)
oklchoklch(0.627 0.161 138.2)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2644

Colors that go with #519e33

Charcoal, Crimson and Blue 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 →

#80339e

#879e33 · #339e4a

#33519e · #9e3351

Split-complementary

Open in tool →

#4a339e · #9e3387

#33879e · #80339e · #9e4a33

Contrast

#519e33 as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #44832a as the text (4.64:1)
  • AAA: use #346420 as the text (7.02:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.29:1passpassfail
  • AAA: use #57a937 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519e33 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 #519e33
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 #519e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519e33-a6bea2-704edf-1f2d21-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