Color

#9bf401

#9bf401
hex#9bf401
rgbrgb(155, 244, 1)
hslhsl(82, 99%, 48%)
oklchoklch(0.876 0.24 131.2)
Closest name: Acid Green (#8ffe09)Relative luminance 0.7167

Colors that go with #9bf401

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 →

#5a01f4

#f4d301 · #22f401

#019bf4 · #f4019b

Split-complementary

Open in tool →

#0122f4 · #d301f4

#01f4d3 · #5a01f4 · #f40122

Contrast

#9bf401 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #517f01 as the text (4.79:1)
  • AAA: use #3d6000 as the text (7.31:1)
  • AA: or shift the background to #616161 (4.52:1)
  • AAA: or shift the background to #454545 (7:1)
Aaon black
15.33:1passpasspassPasses 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 #9bf401 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 #9bf401
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 #9bf401 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9bf401-b0bea2-4e5fdf-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