Color

#13ec4d

#13ec4d
hex#13ec4d
rgbrgb(19, 236, 77)
hslhsl(136, 85%, 50%)
oklchoklch(0.821 0.251 145.6)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.6067

Colors that go with #13ec4d

Taupe, Violet and Deep Sky Blue 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 →

#ec13b2

#46ec13 · #13ecb9

#4d13ec · #ec4d13

Split-complementary

Open in tool →

#b913ec · #ec1346

#1346ec · #ec13b2 · #ecb913

Contrast

#13ec4d as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #0b892d as the text (4.54:1)
  • AAA: use #086320 as the text (7.46:1)
  • AA: or shift the background to #575757 (4.52:1)
  • AAA: or shift the background to #3b3b3b (7.01:1)
Aaon black
13.13:1passpasspassPasses 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 #13ec4d as the background.

Brands using this color

mcpConnect your agent — build around #13ec4d
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 #13ec4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13ec4d-a2bead-b959d4-1f2d29-ebf1e9?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