Can I use
?
2 results found.

  1. #rrggbbaa hex color notation

    The CSS Color Module Level 4 defines new 4 & 8 character hex notation for color to include the opacity level.

  2. types: <color>: rgb hexadecimal notation (`#rrggbb`, `#rgb`, …): rgba hexadecimal notation (`#rrggbbaa`, `#rgba`)