Color

#556d60

#556d60
hex#556d60
rgbrgb(85, 109, 96)
hslhsl(148, 12%, 38%)
oklchoklch(0.511 0.035 161.2)
Closest name: Dark Forest (#556962)Relative luminance 0.1371

Colors that go with #556d60

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 #556d60

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6d5562

#566d55 · #556d6c

#60556d · #6d6055

Split-complementary

Open in tool →

#6c556d · #6d5556

#55566d · #6d5562 · #6d6c55

Contrast

#556d60 as textRatioAAAA largeAAAFix
Aaon white
5.61:1passpassfail
  • AAA: use #485b51 as the text (7.26:1)
Aaon black
3.74:1failpassfail
  • AA: use #607b6d as the text (4.55:1)
  • AAA: use #819c8e as the text (7.08:1)
  • AA: or shift the background to #e8e8e8 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556d60 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 #556d60
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 #556d60 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556d60-a2beb2-d259d4-1f2d2c-eaf1e9?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