Color

#558c54

#558c54
hex#558c54
rgbrgb(85, 140, 84)
hslhsl(119, 25%, 44%)
oklchoklch(0.587 0.102 143.8)
Closest name: Fern (#548d44)Relative luminance 0.2133

Colors that go with #558c54

Charcoal, Blue and Burlywood 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 →

#8b548c

#718c54 · #548c6f

#54558c · #8c5455

Split-complementary

Open in tool →

#6f548c · #8c5471

#54718c · #8b548c · #8c6f54

Contrast

#558c54 as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #4d804d as the text (4.66:1)
  • AAA: use #3a6039 as the text (7.21:1)
  • AA: or shift the background to #141414 (4.62:1)
Aaon black
5.27:1passpassfail
  • AAA: use #67a366 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558c54 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 #558c54
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 #558c54 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558c54-a2bea5-964edf-1f2d25-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