Color

#19b40e

#19b40e
hex#19b40e
rgbrgb(25, 180, 14)
hslhsl(116, 86%, 38%)
oklchoklch(0.669 0.222 142.2)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3288

Colors that go with #19b40e

Taupe, Fuchsia and Medium Purple 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 →

#a90eb4

#6cb40e · #0eb456

#0e19b4 · #b40e19

Split-complementary

Open in tool →

#560eb4 · #b40e6c

#0e6cb4 · #a90eb4 · #b4560e

Contrast

#19b40e as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #12850a as the text (4.79:1)
  • AAA: use #0e6407 as the text (7.38:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.01:1)
Aaon black
7.58:1passpasspassPasses 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 #19b40e 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 #19b40e
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 #19b40e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/19b40e-a2bea3-8f4edf-1f2d24-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