Color

#556d61

#556d61
hex#556d61
rgbrgb(85, 109, 97)
hslhsl(150, 12%, 38%)
oklchoklch(0.512 0.034 163.3)
Closest name: Dark Forest (#556962)Relative luminance 0.1373

Colors that go with #556d61

Charcoal, Champagne 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.

Real palettes that use #556d61

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5561

#556d55 · #556d6d

#61556d · #6d6155

Split-complementary

Open in tool →

#6d556d · #6d5555

#55556d · #6d5561 · #6d6d55

Contrast

#556d61 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #485b52 as the text (7.26:1)
Aaon black
3.75:1failpassfail
  • AA: use #607b6e as the text (4.56:1)
  • AAA: use #819c8f as the text (7.09:1)
  • AA: or shift the background to #e8e8e8 (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 #556d61 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 #556d61
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 #556d61 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556d61-a2beb3-d459d2-1f2d2c-e9f1ea?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