Color

#56fb3c

#56fb3c
hex#56fb3c
rgbrgb(86, 251, 60)
hslhsl(112, 96%, 61%)
oklchoklch(0.869 0.262 141.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.713

Colors that go with #56fb3c

Violet, Deep Sky Blue 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 →

#e23cfb

#b5fb3c · #3cfb82

#3c56fb · #fb3c56

Split-complementary

Open in tool →

#823cfb · #fb3cb5

#3cb5fb · #e23cfb · #fb823c

Contrast

#56fb3c as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #148703 as the text (4.67:1)
  • AAA: use #0f6402 as the text (7.38:1)
  • AA: or shift the background to #616161 (4.5:1)
  • AAA: or shift the background to #424242 (7.3:1)
Aaon black
15.26:1passpasspassPasses 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 #56fb3c 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 #56fb3c
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 #56fb3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56fb3c-a2bea2-864edf-1f2d23-eef1e9?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