Color

#56f651

#56f651
hex#56f651
rgbrgb(86, 246, 81)
hslhsl(118, 90%, 64%)
oklchoklch(0.858 0.244 142.7)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6848

Colors that go with #56f651

Deep Sky Blue, 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 →

#f051f6

#a9f651 · #51f69e

#5156f6 · #f65156

Split-complementary

Open in tool →

#9e51f6 · #f651a9

#51a9f6 · #f051f6 · #f69e51

Contrast

#56f651 as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #0b8807 as the text (4.63:1)
  • AAA: use #096605 as the text (7.21:1)
  • AA: or shift the background to #5e5e5e (4.54:1)
  • AAA: or shift the background to #424242 (7.03:1)
Aaon black
14.7:1passpasspassPasses 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 #56f651 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 #56f651
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 #56f651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56f651-a2bea4-944edf-1f2d25-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