Color

#519009

#519009
hex#519009
rgbrgb(81, 144, 9)
hslhsl(88, 88%, 30%)
oklchoklch(0.588 0.165 133.6)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2172

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#480990

#908b09 · #0e9009

#095190 · #900951

Split-complementary

Open in tool →

#090e90 · #8b0990

#09908b · #480990 · #90090e

Contrast

#519009 as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #498108 as the text (4.74:1)
  • AAA: use #366006 as the text (7.41:1)
  • AA: or shift the background to #171717 (4.56:1)
Aaon black
5.34:1passpassfail
  • AAA: use #5ea80b as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519009 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

#519009 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #519009
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #519009 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519009-aebea2-4e51df-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