#color-hex-case

Specify lowercase or uppercase for hex colors.

a { color: #fff }
/**        ↑
 * These hex colors */

#Options

string: "lower"|"upper"

#"lower"

The following patterns are considered warnings:

a { color: #FFF; }

The following patterns are not considered warnings:

a { color: #000; }
a { color: #fff; }

#"upper"

The following patterns are considered warnings:

a { color: #fff; }

The following patterns are not considered warnings:

a { color: #000; }
a { color: #FFF; }