Color

#c0fa00

#c0fa00
hex#c0fa00
rgbrgb(192, 250, 0)
hslhsl(74, 100%, 49%)
oklchoklch(0.912 0.229 124.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7958

Colors that go with #c0fa00

Crimson, Red and Plum 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 →

#3a00fa

#fab700 · #43fa00

#00c0fa · #fa00c0

Split-complementary

Open in tool →

#0043fa · #b700fa

#00fab7 · #3a00fa · #fa0043

Contrast

#c0fa00 as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #628000 as the text (4.56:1)
  • AAA: use #465c00 as the text (7.52:1)
  • AA: or shift the background to #666666 (4.63:1)
  • AAA: or shift the background to #4a4a4a (7.14:1)
Aaon black
16.92:1passpasspassPasses 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 #c0fa00 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #c0fa00
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 #c0fa00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c0fa00-b4bea2-4e72df-242d1f-f1efe9?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