Color

#517670

#517670
hex#517670
rgbrgb(81, 118, 112)
hslhsl(170, 19%, 39%)
oklchoklch(0.536 0.043 183.5)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1588

Colors that go with #517670

Charcoal, Champagne and Cobalt 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 #517670

Tints & shades

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

Harmonies

Complementary

Open in tool →

#765157

#51765d · #516a76

#705176 · #767051

Split-complementary

Open in tool →

#76516a · #765d51

#5d5176 · #765157 · #6a7651

Contrast

#517670 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #405e59 as the text (7.09:1)
Aaon black
4.18:1failpassfail
  • AA: use #557c76 as the text (4.53:1)
  • AAA: use #709e96 as the text (7.02:1)
  • AA: or shift the background to #f5f5f5 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517670 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 #517670
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 #517670 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517670-a2bebd-d459a9-1f292d-e9f1ec?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