Color

#56dd1d

#56dd1d
hex#56dd1d
rgbrgb(86, 221, 29)
hslhsl(102, 77%, 49%)
oklchoklch(0.791 0.242 139.2)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5378

Colors that go with #56dd1d

Deep Sky Blue, Taupe and Violet 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 →

#a31ddd

#b7dd1d · #1ddd43

#1d56dd · #dd1d56

Split-complementary

Open in tool →

#431ddd · #dd1db7

#1db7dd · #a31ddd · #dd431d

Contrast

#56dd1d as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #358712 as the text (4.54:1)
  • AAA: use #27630d as the text (7.3:1)
  • AA: or shift the background to #4f4f4f (4.59:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.76:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #56dd1d 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 #56dd1d
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 #56dd1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56dd1d-a7bea2-6e4edf-1f2d21-eff1e9?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