Color

#519a5f

#519a5f
hex#519a5f
rgbrgb(81, 154, 95)
hslhsl(132, 31%, 46%)
oklchoklch(0.623 0.115 148.5)
Closest name: Bulma Hair (#359e6b)Relative luminance 0.2569

Colors that go with #519a5f

Charcoal, Blue 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 →

#9a518b

#679a51 · #519a84

#5f519a · #9a5f51

Split-complementary

Open in tool →

#84519a · #9a5167

#51679a · #9a518b · #9a8451

Contrast

#519a5f as textRatioAAAA largeAAAFix
Aaon white
3.42:1failpassfail
  • AA: use #458251 as the text (4.6:1)
  • AAA: use #33613c as the text (7.2:1)
  • AA: or shift the background to #242424 (4.54:1)
Aaon black
6.14:1passpassfail
  • AAA: use #58a768 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519a5f as the background.

Brands using this color

mcpConnect your agent — build around #519a5f
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 #519a5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519a5f-a2beab-b64edf-1f2d28-ecf1e9?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