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  1. or download this
     ...
 my $RGB = '#FF00FF';
 @triplet = map hex, $RGB  =~ /\w\w/g;
 ...
  2. or download this
     ...
 my $RGB = '#FF00FF';
 () = $RGB =~ /(\w\w)(?{push @triplet, hex $^N})/g;
 ...