Color

#56fb59

#56fb59
hex#56fb59
rgbrgb(86, 251, 89)
hslhsl(121, 95%, 66%)
oklchoklch(0.871 0.245 143.4)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7169

Colors that go with #56fb59

Violet, Charcoal 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 →

#fb56f8

#a6fb56 · #56fbab

#5956fb · #fb5956

Split-complementary

Open in tool →

#ab56fb · #fb56a6

#56a6fb · #fb56f8 · #fbab56

Contrast

#56fb59 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #038606 as the text (4.75:1)
  • AAA: use #036804 as the text (7.03:1)
  • AA: or shift the background to #616161 (4.52:1)
  • AAA: or shift the background to #454545 (7:1)
Aaon black
15.34:1passpasspassPasses 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 #56fb59 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 #56fb59
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 #56fb59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56fb59-a2bea6-9b4edf-1f2d26-edf1e9?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