Color

#516159

#516159
hex#516159
rgbrgb(81, 97, 89)
hslhsl(150, 9%, 35%)
oklchoklch(0.477 0.023 163.8)
Closest name: Black Forest (#5e6354)Relative luminance 0.1102

Colors that go with #516159

Cadet Blue, 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.

Real palettes that use #516159

Tints & shades

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

Harmonies

Complementary

Open in tool →

#615159

#516151 · #516161

#595161 · #615951

Split-complementary

Open in tool →

#615161 · #615151

#515161 · #615159 · #616151

Contrast

#516159 as textRatioAAAA largeAAAFix
Aaon white
6.55:1passpassfail
  • AAA: use #4d5c54 as the text (7.06:1)
Aaon black
3.2:1failpassfail
  • AA: use #667a70 as the text (4.58:1)
  • AAA: use #879b91 as the text (7.13:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #516159 as the background.

Brands using this color

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

Fonts for this mood

#516159 reads as muted, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #516159
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 #516159 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/516159-a2beb3-d459d2-1f2d2c-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