Color

#56d40c

#56d40c
hex#56d40c
rgbrgb(86, 212, 12)
hslhsl(98, 89%, 44%)
oklchoklch(0.768 0.237 138.4)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4909

Colors that go with #56d40c

Taupe, Violet and Hot Pink 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 →

#8b0cd4

#b9d40c · #0cd427

#0c56d4 · #d40c56

Split-complementary

Open in tool →

#270cd4 · #d40cb9

#0cb9d4 · #8b0cd4 · #d4270c

Contrast

#56d40c as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #368708 as the text (4.54:1)
  • AAA: use #296506 as the text (7.1:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2b2b2b (7.29:1)
Aaon black
10.82:1passpasspassPasses 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 #56d40c as the background.

Brands using this color

mcpConnect your agent — build around #56d40c
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 #56d40c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56d40c-a9bea2-644edf-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