color-hex-case

Specify lowercase or uppercase for hex colors.

a { color: #fff }
/**        ↑
 * This hex color */

The fix option can automatically fix all of the problems reported by this rule.

The message secondary option can accept the arguments of this rule.

Options

string: "lower"|"upper"

"lower"

The following patterns are considered problems:

a { color: #FFF; }

The following patterns are not considered problems:

a { color: #000; }

a { color: #fff; }

"upper"

The following patterns are considered problems:

a { color: #fff; }

The following patterns are not considered problems:

a { color: #000; }

a { color: #FFF; }