Color

#519d4d

#519d4d
hex#519d4d
rgbrgb(81, 157, 77)
hslhsl(117, 34%, 46%)
oklchoklch(0.628 0.138 142.8)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.264

Colors that go with #519d4d

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 →

#994d9d

#799d4d · #4d9d71

#4d519d · #9d4d51

Split-complementary

Open in tool →

#714d9d · #9d4d79

#4d799d · #994d9d · #9d714d

Contrast

#519d4d as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #438240 as the text (4.66:1)
  • AAA: use #336331 as the text (7.07:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.28:1passpassfail
  • AAA: use #57a752 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519d4d as the background.

Brands using this color

mcpConnect your agent — build around #519d4d
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 #519d4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519d4d-a2bea4-924edf-1f2d25-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