Color

#559157

#559157
hex#559157
rgbrgb(85, 145, 87)
hslhsl(122, 26%, 45%)
oklchoklch(0.6 0.107 144.8)
Closest name: Fern (#548d44)Relative luminance 0.2287

Colors that go with #559157

Charcoal, Blue and Copper 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 →

#91558f

#719155 · #559175

#575591 · #915755

Split-complementary

Open in tool →

#755591 · #915571

#557191 · #91558f · #917555

Contrast

#559157 as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #4b814d as the text (4.62:1)
  • AAA: use #39603a as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #65a467 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #559157 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 #559157
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 #559157 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/559157-a2bea6-9e4edf-1f2d26-edf1e9?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