Color

#56d10a

#56d10a
hex#56d10a
rgbrgb(86, 209, 10)
hslhsl(97, 91%, 43%)
oklchoklch(0.76 0.234 138.2)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.476

Tints & shades

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

Harmonies

Complementary

Open in tool →

#850ad1

#bad10a · #0ad121

#0a56d1 · #d10a56

Split-complementary

Open in tool →

#210ad1 · #d10aba

#0abad1 · #850ad1 · #d1210a

Contrast

#56d10a as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #368406 as the text (4.71:1)
  • AAA: use #286105 as the text (7.49:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.09:1)
Aaon black
10.52:1passpasspassPasses 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 #56d10a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #56d10a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #56d10a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56d10a-a9bea2-624edf-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