Color

#558d01

#558d01
hex#558d01
rgbrgb(85, 141, 1)
hslhsl(84, 99%, 28%)
oklchoklch(0.582 0.161 131.9)
Closest name: Asparagus Sultan (#6a8e22)Relative luminance 0.2098

Colors that go with #558d01

Crimson, Charcoal and Denim 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 →

#39018e

#8e8001 · #0f8e01

#01568e · #8e0156

Split-complementary

Open in tool →

#010f8e · #80018e

#018e80 · #39018e · #8e010f

Contrast

#558d01 as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #4f8401 as the text (4.53:1)
  • AAA: use #3a6000 as the text (7.36:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #65a701 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #558d01 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#558d01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #558d01
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 #558d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558d01-afbea2-4e5adf-222d1f-f1f0e9?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