Color

#517b5e

#517b5e
hex#517b5e
rgbrgb(81, 123, 94)
hslhsl(139, 21%, 40%)
oklchoklch(0.543 0.065 153.6)
Closest name: Irish Clover (#53734c)Relative luminance 0.1672

Colors that go with #517b5e

Charcoal, Blue and Champagne 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 →

#7b516e

#587b51 · #517b74

#5e517b · #7b5e51

Split-complementary

Open in tool →

#74517b · #7b5158

#51587b · #7b516e · #7b7451

Contrast

#517b5e as textRatioAAAA largeAAAFix
Aaon white
4.83:1passpassfail
  • AAA: use #3e6049 as the text (7.06:1)
Aaon black
4.34:1failpassfail
  • AA: use #537f60 as the text (4.57:1)
  • AAA: use #71a281 as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (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 #517b5e 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 #517b5e
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 #517b5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517b5e-a2beae-c059d4-1f2d2a-ebf1e9?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