use strict;
use warnings;

my %fruit = (
             'apple' => ['red','green'],
             'kiwi' => 'green',
             'banana' => 'yellow',
            );

for my $search ("green","red" ){

    my @matches = grep { $search ~~ $fruit{$_} } keys %fruit;

    print "\n\n Matches for <$search> = @matches\n\n";
}