Color

#518f2d

#518f2d
hex#518f2d
rgbrgb(81, 143, 45)
hslhsl(98, 52%, 37%)
oklchoklch(0.587 0.146 136.1)
Closest name: Indica (#588c3a)Relative luminance 0.2158

Colors that go with #518f2d

Charcoal, Crimson and Royal 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 →

#6b2d8f

#828f2d · #2d8f3a

#2d518f · #8f2d51

Split-complementary

Open in tool →

#3a2d8f · #8f2d82

#2d828f · #6b2d8f · #8f3a2d

Contrast

#518f2d as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #4b842a as the text (4.53:1)
  • AAA: use #37611f as the text (7.26:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #5ea735 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #518f2d 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 #518f2d
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 #518f2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/518f2d-a9bea2-644edf-1f2d20-f0f1e9?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