Color

#517d4a

#517d4a
hex#517d4a
rgbrgb(81, 125, 74)
hslhsl(112, 26%, 39%)
oklchoklch(0.544 0.091 141.1)
Closest name: Mana Tree (#4f7942)Relative luminance 0.1691

Colors that go with #517d4a

Charcoal, Dark Orchid and 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#764a7d

#6a7d4a · #4a7d5d

#4a507d · #7d4a50

Split-complementary

Open in tool →

#5d4a7d · #7d4a6a

#4a6a7d · #764a7d · #7d5d4a

Contrast

#517d4a as textRatioAAAA largeAAAFix
Aaon white
4.79:1passpassfail
  • AAA: use #3e6039 as the text (7.15:1)
Aaon black
4.38:1failpassfail
  • AA: use #53814b as the text (4.61:1)
  • AAA: use #6aa362 as the text (7.03:1)
  • AA: or shift the background to #fafafa (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #517d4a as the background.

Brands using this color

mcpConnect your agent — build around #517d4a
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 #517d4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/517d4a-a2bea2-864edf-1f2d23-eef1e9?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