Color

#519400

#519400
hex#519400
rgbrgb(81, 148, 0)
hslhsl(87, 100%, 29%)
oklchoklch(0.598 0.171 133.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2293

Colors that go with #519400

Crimson, Charcoal and Denim 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 →

#430094

#948d00 · #079400

#005194 · #940051

Split-complementary

Open in tool →

#000794 · #8d0094

#00948d · #430094 · #940007

Contrast

#519400 as textRatioAAAA largeAAAFix
Aaon white
3.76:1failpassfail
  • AA: use #498500 as the text (4.53:1)
  • AAA: use #356100 as the text (7.34:1)
  • AA: or shift the background to #1c1c1c (4.53:1)
Aaon black
5.59:1passpassfail
  • AAA: use #5da800 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519400 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#519400 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #519400
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 #519400 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519400-aebea2-4e53df-212d1f-f1f1e9?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