Color

#519d43

#519d43
hex#519d43
rgbrgb(81, 157, 67)
hslhsl(111, 40%, 44%)
oklchoklch(0.626 0.147 140.6)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2627

Colors that go with #519d43

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 →

#90439d

#7e9d43 · #439d63

#43519d · #9d4351

Split-complementary

Open in tool →

#63439d · #9d437e

#437e9d · #90439d · #9d6343

Contrast

#519d43 as textRatioAAAA largeAAAFix
Aaon white
3.36:1failpassfail
  • AA: use #448439 as the text (4.56:1)
  • AAA: use #33642b as the text (7:1)
  • AA: or shift the background to #262626 (4.51:1)
Aaon black
6.25:1passpassfail
  • AAA: use #56a848 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 #519d43 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 #519d43
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 #519d43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519d43-a3bea2-834edf-1f2d23-eef1e9?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