Mail::SpamAssassin::HTML::Color(3) User Contributed Perl Documentation NAME Mail::SpamAssassin::HTML::Color - A class to parse and manipulate CSS color values SYNOPSIS use Mail::SpamAssassin::HTML::Color; my $color = Mail::SpamAssassin::HTML::Color->new('rgba(255, 0, 153, 0.5)'); $color->blend([255, 255, 255]); my $distance = $color->distance([0, 0, 0]); print "$color"; # Outputs the color as a hex string DESCRIPTION This class provides methods to parse various CSS color formats, blend them with a background color, calculate the distance between two colors, and convert the color to a hex string. METHODS new($color) Creates a new color object from a CSS color string. blend($background) Blends the color with the given background color. Modifies the color in-place and returns the modified object. distance($other_color) Calculates the distance between the current color and another color using a brightness-weighted geometric formula. as_hex Returns the color as a hex string with a leading '#'. as_array Returns the color as an array of RGB values. perl v5.42.0 2025-12-13 Mail::SpamAssassin::HTML::Color(3)