Color

#557d45

#557d45
hex#557d45
rgbrgb(85, 125, 69)
hslhsl(103, 29%, 38%)
oklchoklch(0.546 0.094 137.3)
Closest name: Mana Tree (#4f7942)Relative luminance 0.1703

Colors that go with #557d45

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 →

#6d457d

#717d45 · #457d51

#45557d · #7d4555

Split-complementary

Open in tool →

#51457d · #7d4571

#45717d · #6d457d · #7d5145

Contrast

#557d45 as textRatioAAAA largeAAAFix
Aaon white
4.77:1passpassfail
  • AAA: use #415f35 as the text (7.21:1)
Aaon black
4.41:1failpassfail
  • AA: use #578047 as the text (4.58:1)
  • AAA: use #6fa45b as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #557d45 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 #557d45
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 #557d45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/557d45-a6bea2-704edf-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