Specify lowercase or uppercase for hex colors.
a { color: #fff } /** ↑ * This hex color */
The --fix
option on the command line can automatically fix all of the problems reported by this rule.
string
: "lower"|"upper"
"lower"
The following patterns are considered violations:
a { color: #FFF; }
The following patterns are not considered violations:
a { color: #000; }
a { color: #fff; }
"upper"
The following patterns are considered violations:
a { color: #fff; }
The following patterns are not considered violations:
a { color: #000; }
a { color: #FFF; }