Color

#519e53

#519e53
hex#519e53
rgbrgb(81, 158, 83)
hslhsl(122, 32%, 47%)
oklchoklch(0.631 0.133 144.3)
Closest name: Golf Course (#5a9e4b)Relative luminance 0.2683

Colors that go with #519e53

Charcoal, Blue and Crimson 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 →

#9e519c

#759e51 · #519e7a

#54519e · #9e5451

Split-complementary

Open in tool →

#7a519e · #9e5175

#51759e · #9e519c · #9e7a51

Contrast

#519e53 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #448346 as the text (4.58:1)
  • AAA: use #326234 as the text (7.16:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.37:1passpassfail
  • AAA: use #57a859 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #519e53 as the background.

Brands using this color

mcpConnect your agent — build around #519e53
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 #519e53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/519e53-a2bea6-9e4edf-1f2d26-edf1e9?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