Color

#557b42

#557b42
hex#557b42
rgbrgb(85, 123, 66)
hslhsl(100, 30%, 37%)
oklchoklch(0.54 0.094 135.9)
Closest name: Mana Tree (#4f7942)Relative luminance 0.1649

Colors that go with #557b42

Charcoal, Dark Orchid 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#68427b

#717b42 · #427b4b

#42557b · #7b4255

Split-complementary

Open in tool →

#4b427b · #7b4271

#42717b · #68427b · #7b4b42

Contrast

#557b42 as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #436034 as the text (7.09:1)
Aaon black
4.3:1failpassfail
  • AA: use #5a8146 as the text (4.66:1)
  • AAA: use #73a659 as the text (7.33:1)
  • AA: or shift the background to #f7f7f7 (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 #557b42 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 #557b42
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 #557b42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557b42-a8bea2-694edf-1f2d21-f0f1e9?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