Color

#519a52

#519a52
hex#519a52
rgbrgb(81, 154, 82)
hslhsl(121, 31%, 46%)
oklchoklch(0.621 0.128 144.1)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2547

Colors that go with #519a52

Charcoal, Blue 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 →

#9a5198

#749a51 · #519a77

#52519a · #9a5251

Split-complementary

Open in tool →

#77519a · #9a5174

#51749a · #9a5198 · #9a7751

Contrast

#519a52 as textRatioAAAA largeAAAFix
Aaon white
3.45:1failpassfail
  • AA: use #458246 as the text (4.63:1)
  • AAA: use #336134 as the text (7.24:1)
  • AA: or shift the background to #242424 (4.5:1)
Aaon black
6.09:1passpassfail
  • AAA: use #58a759 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 #519a52 as the background.

Brands using this color

mcpConnect your agent — build around #519a52
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 #519a52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519a52-a2bea6-9b4edf-1f2d26-edf1e9?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