Color

#9ff41f

#9ff41f
hex#9ff41f
rgbrgb(159, 244, 31)
hslhsl(84, 91%, 54%)
oklchoklch(0.879 0.233 130.9)
Closest name: Acid Green (#8ffe09)Relative luminance 0.7217

Colors that go with #9ff41f

Violet, Charcoal 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 →

#741ff4

#f4df1f · #34f41f

#1f9ff4 · #f41f9f

Split-complementary

Open in tool →

#1f34f4 · #df1ff4

#1ff4df · #741ff4 · #f41f34

Contrast

#9ff41f as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #518406 as the text (4.51:1)
  • AAA: use #3c6105 as the text (7.23:1)
  • AA: or shift the background to #616161 (4.55:1)
  • AAA: or shift the background to #454545 (7.05:1)
Aaon black
15.43:1passpasspassPasses 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 #9ff41f 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 #9ff41f
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 #9ff41f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9ff41f-afbea2-4e5adf-222d1f-f1f0e9?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