Color

#558d53

#558d53
hex#558d53
rgbrgb(85, 141, 83)
hslhsl(118, 26%, 44%)
oklchoklch(0.589 0.105 143.4)
Closest name: Fern (#548d44)Relative luminance 0.2161

Colors that go with #558d53

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 →

#8b538d

#728d53 · #538d6e

#53558d · #8d5355

Split-complementary

Open in tool →

#6e538d · #8d5372

#53728d · #8b538d · #8d6e53

Contrast

#558d53 as textRatioAAAA largeAAAFix
Aaon white
3.95:1failpassfail
  • AA: use #4d814b as the text (4.61:1)
  • AAA: use #3a6039 as the text (7.21:1)
  • AA: or shift the background to #171717 (4.54:1)
Aaon black
5.32:1passpassfail
  • AAA: use #67a465 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558d53 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 #558d53
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 #558d53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558d53-a2bea4-944edf-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