Color

#9dff00

#9dff00
hex#9dff00
rgbrgb(157, 255, 0)
hslhsl(83, 100%, 50%)
oklchoklch(0.904 0.251 132)
Closest name: Acid Green (#8ffe09)Relative luminance 0.7869

Colors that go with #9dff00

Violet, Blue and Charcoal 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.

Real palettes that use #9dff00

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6200ff

#ffe100 · #1eff00

#009dff · #ff009d

Split-complementary

Open in tool →

#001eff · #e100ff

#00ffe1 · #6200ff · #ff001e

Contrast

#9dff00 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #4f8000 as the text (4.75:1)
  • AAA: use #3c6100 as the text (7.24:1)
  • AA: or shift the background to #666666 (4.58:1)
  • AAA: or shift the background to #4a4a4a (7.06:1)
Aaon black
16.74:1passpasspassPasses 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 #9dff00 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 #9dff00
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 #9dff00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9dff00-b0bea2-4e5ddf-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