Color

#516d50

#516d50
hex#516d50
rgbrgb(81, 109, 80)
hslhsl(118, 15%, 37%)
oklchoklch(0.504 0.056 143.8)
Closest name: Cactus (#5b6f55)Relative luminance 0.1327

Colors that go with #516d50

Charcoal, Dark Orchid and Champagne 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.

Real palettes that use #516d50

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c506d

#5f6d50 · #506d5d

#50516d · #6d5051

Split-complementary

Open in tool →

#5d506d · #6d505f

#505f6d · #6c506d · #6d5d50

Contrast

#516d50 as textRatioAAAA largeAAAFix
Aaon white
5.75:1passpassfail
  • AAA: use #465e45 as the text (7.12:1)
Aaon black
3.65:1failpassfail
  • AA: use #5e7e5d as the text (4.62:1)
  • AAA: use #7fa07e as the text (7.23:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516d50 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #516d50
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 #516d50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516d50-a2bea4-944edf-1f2d25-edf1e9?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