Color

#516340

#516340
hex#516340
rgbrgb(81, 99, 64)
hslhsl(91, 21%, 32%)
oklchoklch(0.475 0.058 130.5)
Closest name: Cypress (#585d40)Relative luminance 0.1104

Tints & shades

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

Harmonies

Complementary

Open in tool →

#524063

#626340 · #406341

#405163 · #634051

Split-complementary

Open in tool →

#414063 · #634062

#406263 · #524063 · #634140

Contrast

#516340 as textRatioAAAA largeAAAFix
Aaon white
6.54:1passpassfail
  • AAA: use #4c5d3c as the text (7.15:1)
Aaon black
3.21:1failpassfail
  • AA: use #657b51 as the text (4.51:1)
  • AAA: use #849e6b as the text (7.08:1)
  • AA: or shift the background to #d6d6d6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516340 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 #516340
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 #516340 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516340-acbea2-534edf-202d1f-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