Color

#56c615

#56c615
hex#56c615
rgbrgb(86, 198, 21)
hslhsl(98, 81%, 43%)
oklchoklch(0.732 0.22 137.9)
Closest name: Blinking Terminal (#66cc00)Relative luminance 0.4242

Colors that go with #56c615

Blue, Charcoal and Taupe 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 →

#8515c6

#afc615 · #15c62d

#1556c6 · #c61556

Split-complementary

Open in tool →

#2d15c6 · #c615af

#15afc6 · #8515c6 · #c62d15

Contrast

#56c615 as textRatioAAAA largeAAAFix
Aaon white
2.21:1failfailfail
  • AA: use #3a860e as the text (4.57:1)
  • AAA: use #2a610a as the text (7.47:1)
  • AA: or shift the background to #424242 (4.54:1)
  • AAA: or shift the background to #242424 (7.01:1)
Aaon black
9.48:1passpasspassPasses 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 #56c615 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #56c615
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 #56c615 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/56c615-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