/**
  * Define default color scheme array.
  *
  * @since 0.2.0
  */
 public function define_color_schemes()
 {
     $default_colors = array('wpgo-links-color' => '#333', 'wpgo-text-color' => '#363636');
     if (current_theme_supports('custom-background')) {
         $custom_bg_args = get_theme_support('custom-background');
         if (isset($custom_bg_args[0]['default-color']) && !empty($custom_bg_args[0]['default-color'])) {
             $default_colors['background_color'] = $custom_bg_args[0]['default-color'];
         } else {
             $default_colors['background_color'] = '#ffffff';
         }
         // default to white bg color if none set
     }
     /* Individual customizer color picker defaults. */
     $this->_wpgo_color_schemes = array(array('label' => __('Default', 'wpgothemes'), 'name' => 'default', 'default_colors' => $default_colors));
     /* Add/remove color schemes via this filter. */
     $this->_wpgo_color_schemes = WPGo_Hooks::wpgo_color_scheme_filter($this->_wpgo_color_schemes);
     /* Make sure all default hex codes contain lower case characters and are 6-digits in length. */
     $this->validate_color_scheme_hex_codes();
 }