Color

#558240

#558240
hex#558240
rgbrgb(85, 130, 64)
hslhsl(101, 34%, 38%)
oklchoklch(0.558 0.108 136.5)
Closest name: Beanpole (#4e8747)Relative luminance 0.1827

Colors that go with #558240

Charcoal, Dark Orchid and Champagne 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 →

#6d4082

#768240 · #40824c

#405582 · #824055

Split-complementary

Open in tool →

#4c4082 · #824076

#407682 · #6d4082 · #824c40

Contrast

#558240 as textRatioAAAA largeAAAFix
Aaon white
4.51:1passpassfail
  • AAA: use #3e602f as the text (7.19:1)
Aaon black
4.65:1passpassfail
  • AAA: use #6ba451 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 #558240 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 #558240
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 #558240 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/558240-a7bea2-6b4edf-1f2d21-eff1e9?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