Color

#51761e

#51761e
hex#51761e
rgbrgb(81, 118, 30)
hslhsl(85, 59%, 29%)
oklchoklch(0.52 0.123 129.8)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.148

Tints & shades

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

Harmonies

Complementary

Open in tool →

#431e76

#766e1e · #26761e

#1e5176 · #761e51

Split-complementary

Open in tool →

#1e2676 · #6e1e76

#1e766e · #431e76 · #761e26

Contrast

#51761e as textRatioAAAA largeAAAFix
Aaon white
5.3:1passpassfail
  • AAA: use #436119 as the text (7.09:1)
Aaon black
3.96:1failpassfail
  • AA: use #5a8221 as the text (4.65:1)
  • AAA: use #73a62b as the text (7.22:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51761e as the background.

Brands using this color

Fonts for this mood

#51761e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51761e
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 #51761e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51761e-afbea2-4e58df-212d1f-f1f0e9?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