Color

#556b01

#556b01
hex#556b01
rgbrgb(85, 107, 1)
hslhsl(72, 98%, 21%)
oklchoklch(0.492 0.12 122.6)
Closest name: Forestial Outpost (#556611)Relative luminance 0.1245

Colors that go with #556b01

Charcoal, Blue Violet 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.

Real palettes that use #556b01

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#16016a

#6a4b01 · #216a01

#01556a · #6a0155

Split-complementary

Open in tool →

#01216a · #4b016a

#016a4b · #16016a · #6a0121

Contrast

#556b01 as textRatioAAAA largeAAAFix
Aaon white
6.02:1passpassfail
  • AAA: use #4d6001 as the text (7.03:1)
Aaon black
3.49:1failpassfail
  • AA: use #657e01 as the text (4.54:1)
  • AAA: use #82a202 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556b01 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

#556b01 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #556b01
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 #556b01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556b01-b5bea2-4e77df-242d1f-f1efe9?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