Color

#557b0e

#557b0e
hex#557b0e
rgbrgb(85, 123, 14)
hslhsl(81, 80%, 27%)
oklchoklch(0.535 0.135 128.5)
Closest name: Avocado (#568203)Relative luminance 0.1613

Colors that go with #557b0e

Charcoal, Crimson and Royal 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#340e7c

#7c6b0e · #1e7c0e

#0e557c · #7c0e55

Split-complementary

Open in tool →

#0e1e7c · #6b0e7c

#0e7c6b · #340e7c · #7c0e1e

Contrast

#557b0e as textRatioAAAA largeAAAFix
Aaon white
4.97:1passpassfail
  • AAA: use #42600b as the text (7.22:1)
Aaon black
4.23:1failpassfail
  • AA: use #59810e as the text (4.57:1)
  • AAA: use #72a512 as the text (7.11:1)
  • AA: or shift the background to #f5f5f5 (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 #557b0e as the background.

Brands using this color

Fonts for this mood

#557b0e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #557b0e
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 #557b0e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557b0e-b1bea2-4e62df-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