Color

#18f72e

#18f72e
hex#18f72e
rgbrgb(24, 247, 46)
hslhsl(126, 93%, 53%)
oklchoklch(0.848 0.277 143.3)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.6691

Colors that go with #18f72e

Violet, Deep Sky Blue 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 →

#f718e0

#71f718 · #18f79d

#2e18f7 · #f72e18

Split-complementary

Open in tool →

#9d18f7 · #f71871

#1871f7 · #f718e0 · #f79d18

Contrast

#18f72e as textRatioAAAA largeAAAFix
Aaon white
1.46:1failfailfail
  • AA: use #058a12 as the text (4.52:1)
  • AAA: use #04670e as the text (7.11:1)
  • AA: or shift the background to #5c5c5c (4.58:1)
  • AAA: or shift the background to #404040 (7.1:1)
Aaon black
14.38:1passpasspassPasses 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 #18f72e 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 #18f72e
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 #18f72e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18f72e-a2bea8-a74edf-1f2d27-ecf1e9?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