Color

#516647

#516647
hex#516647
rgbrgb(81, 102, 71)
hslhsl(101, 18%, 34%)
oklchoklch(0.484 0.054 135.8)
Closest name: Cypress (#585d40)Relative luminance 0.1171

Colors that go with #516647

Charcoal, Slate Blue and Cadet Blue 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 #516647

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c4766

#616647 · #47664d

#475166 · #664751

Split-complementary

Open in tool →

#4d4766 · #664761

#476166 · #5c4766 · #664d47

Contrast

#516647 as textRatioAAAA largeAAAFix
Aaon white
6.28:1passpassfail
  • AAA: use #4a5d41 as the text (7.16:1)
Aaon black
3.34:1failpassfail
  • AA: use #647e58 as the text (4.67:1)
  • AAA: use #829f75 as the text (7.17:1)
  • AA: or shift the background to #dbdbdb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516647 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 #516647
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 #516647 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516647-a7bea2-6b4edf-1f2d21-eff1e9?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