Color

#518d44

#518d44
hex#518d44
rgbrgb(81, 141, 68)
hslhsl(109, 35%, 41%)
oklchoklch(0.585 0.123 140.1)
Closest name: Fern (#548d44)Relative luminance 0.2122

Colors that go with #518d44

Charcoal, Royal Blue 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 →

#80448d

#768d44 · #448d5b

#44518d · #8d4451

Split-complementary

Open in tool →

#5b448d · #8d4476

#44768d · #80448d · #8d5b44

Contrast

#518d44 as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #4b833f as the text (4.55:1)
  • AAA: use #38602e as the text (7.29:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #61a951 as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #518d44 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 #518d44
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 #518d44 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/518d44-a4bea2-7e4edf-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