Color

#516c60

#516c60
hex#516c60
rgbrgb(81, 108, 96)
hslhsl(153, 14%, 37%)
oklchoklch(0.506 0.037 165.9)
Closest name: Dark Forest (#556962)Relative luminance 0.1332

Colors that go with #516c60

Charcoal, Champagne and Copper 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 →

#6c515d

#516c52 · #516a6c

#60516c · #6c6051

Split-complementary

Open in tool →

#6c516a · #6c5251

#52516c · #6c515d · #6a6c51

Contrast

#516c60 as textRatioAAAA largeAAAFix
Aaon white
5.73:1passpassfail
  • AAA: use #465d53 as the text (7.12:1)
Aaon black
3.66:1failpassfail
  • AA: use #5e7d6f as the text (4.64:1)
  • AAA: use #7c9c8e as the text (7:1)
  • AA: or shift the background to #e6e6e6 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516c60 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 #516c60
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 #516c60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516c60-a2beb5-d459cc-1f2d2d-e9f1ea?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