Color

#56a121

#56a121
hex#56a121
rgbrgb(86, 161, 33)
hslhsl(95, 66%, 38%)
oklchoklch(0.636 0.174 135.7)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2758

Colors that go with #56a121

Charcoal, Blue and Crimson 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 →

#6c21a1

#96a121 · #21a12c

#2156a1 · #a12156

Split-complementary

Open in tool →

#2c21a1 · #a12196

#2196a1 · #6c21a1 · #a12c21

Contrast

#56a121 as textRatioAAAA largeAAAFix
Aaon white
3.22:1failpassfail
  • AA: use #46831b as the text (4.64:1)
  • AAA: use #346114 as the text (7.33:1)
  • AA: or shift the background to #292929 (4.51:1)
Aaon black
6.52:1passpassfail
  • AAA: use #5ba923 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56a121 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 #56a121
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 #56a121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56a121-aabea2-5d4edf-1f2d20-f0f1e9?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