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Mail::SpamAssassin::HTML::Color(3pm) User Contributed Perl Documentation Mail::SpamAssassin::HTML::Color(3pm)

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.

2025-07-22 perl v5.40.1