$hash= {
'test_link_color' => '#31e500',
'test_widget_header_color' => '#c6b989',
'header_textcolor' => 'blank',
'test_menu_color' => '#004d59',
'test_widget_color' => '#eee3b7',
'custom_logo' => 5,
'test_headline_color' => '#7b0706',
'custom_css_post_id' => -1,
'header_image_data' => bless( {
'height' => 250,
'width' => 1140,
'attachment_id' => 9,
}, 'PHP::Serialization::Object::stdClass' ),
'test_article_background_color' => '#ceddd2',
'test_menu_text_color' => '#ffffff',
'test_widget_title_color' => '#ffffff',
'test_menu_hl_color' => '#a74d3d',
'nav_menu_locations' => {
'menu-1' => 2
},
'background_color' => 'ffffff',
'test_text_color' => '#000000'
};
####
my %colors = map { $_ => %$hash{$_} } grep { $_ =~ /color$/ } keys %$hash;
##
##
%colors = (
'ffffff' => 'test_text_color',
'test_article_background_color' => 'test_article_background_color',
'blank' => 'test_menu_color',
'test_menu_text_color' => '#ffffff',
'test_text_color' => '#000000',
'background_color' => 'background_color',
'#31e500' => 'test_widget_header_color',
'test_widget_title_color' => 'test_widget_title_color',
'#eee3b7' => 'test_headline_color',
'#ceddd2' => 'test_menu_text_color',
'test_menu_hl_color' => '#a74d3d',
'#ffffff' => 'test_menu_hl_color',
'test_link_color' => 'test_link_color',
'test_widget_header_color' => '#c6b989',
'test_widget_color' => 'test_widget_color',
'test_headline_color' => '#7b0706',
'header_textcolor' => 'header_textcolor',
'test_menu_color' => '#004d59'
);