Color

#517664

#517664
hex#517664
rgbrgb(81, 118, 100)
hslhsl(151, 19%, 39%)
oklchoklch(0.532 0.051 163)
Closest name: Cactus (#5b6f55)Relative luminance 0.1563

Colors that go with #517664

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 →

#765163

#517651 · #517676

#645176 · #766451

Split-complementary

Open in tool →

#765176 · #765151

#515176 · #765163 · #767651

Contrast

#517664 as textRatioAAAA largeAAAFix
Aaon white
5.09:1passpassfail
  • AAA: use #405e50 as the text (7.16:1)
Aaon black
4.13:1failpassfail
  • AA: use #577f6c as the text (4.66:1)
  • AAA: use #73a08a as the text (7.12:1)
  • AA: or shift the background to #f2f2f2 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517664 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 #517664
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 #517664 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517664-a2beb4-d459d0-1f2d2c-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