Color

#517663

#517663
hex#517663
rgbrgb(81, 118, 99)
hslhsl(149, 19%, 39%)
oklchoklch(0.532 0.052 161.6)
Closest name: Cactus (#5b6f55)Relative luminance 0.1561

Colors that go with #517663

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 →

#765164

#517651 · #517676

#635176 · #766351

Split-complementary

Open in tool →

#765176 · #765151

#515176 · #765164 · #767651

Contrast

#517663 as textRatioAAAA largeAAAFix
Aaon white
5.1:1passpassfail
  • AAA: use #405e4f as the text (7.16:1)
Aaon black
4.12:1failpassfail
  • AA: use #577f6a as the text (4.65:1)
  • AAA: use #73a089 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 #517663 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 #517663
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 #517663 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517663-a2beb3-d459d4-1f2d2c-e9f1e9?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