Color

#556b38

#556b38
hex#556b38
rgbrgb(85, 107, 56)
hslhsl(86, 31%, 32%)
oklchoklch(0.497 0.08 128.1)
Closest name: darkolivegreen (#556b2f)Relative luminance 0.1273

Colors that go with #556b38

Charcoal, Blue and Champagne 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 #556b38

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e386b

#6b6838 · #3c6b38

#38556b · #6b3855

Split-complementary

Open in tool →

#383c6b · #68386b

#386b68 · #4e386b · #6b383c

Contrast

#556b38 as textRatioAAAA largeAAAFix
Aaon white
5.92:1passpassfail
  • AAA: use #4a5e31 as the text (7.15:1)
Aaon black
3.55:1failpassfail
  • AA: use #657f43 as the text (4.67:1)
  • AAA: use #7fa054 as the text (7.06:1)
  • AA: or shift the background to #e3e3e3 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #556b38 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #556b38
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 #556b38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/556b38-afbea2-4e56df-212d1f-f1f1e9?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