Color

#13c50d

#13c50d
hex#13c50d
rgbrgb(19, 197, 13)
hslhsl(118, 88%, 41%)
oklchoklch(0.715 0.239 142.4)
Closest name: Crude Banana (#21c40e)Relative luminance 0.401

Colors that go with #13c50d

Blue, Royal Blue 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 →

#be0dc5

#6fc50d · #0dc562

#0d13c5 · #c50d13

Split-complementary

Open in tool →

#620dc5 · #c50d6f

#0d6fc5 · #be0dc5 · #c5620d

Contrast

#13c50d as textRatioAAAA largeAAAFix
Aaon white
2.33:1failfailfail
  • AA: use #0d8609 as the text (4.74:1)
  • AAA: use #0a6506 as the text (7.3:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.08:1)
Aaon black
9.02:1passpasspassPasses 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 #13c50d 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 #13c50d
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 #13c50d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/13c50d-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