Kirki_Helper::get_material_design_colors PHP Method

        public static function get_material_design_colors($context = false)
        {
            $colors = array('primary' => array('#FFFFFF', '#000000', '#F44336', '#E91E63', '#9C27B0', '#673AB7', '#3F51B5', '#2196F3', '#03A9F4', '#00BCD4', '#009688', '#4CAF50', '#8BC34A', '#CDDC39', '#FFEB3B', '#FFC107', '#FF9800', '#FF5722', '#795548', '#9E9E9E', '#607D8B'), 'red' => array('#FFEBEE', '#FFCDD2', '#EF9A9A', '#E57373', '#EF5350', '#F44336', '#E53935', '#D32F2F', '#C62828', '#B71C1C', '#FF8A80', '#FF5252', '#FF1744', '#D50000'), 'pink' => array('#FCE4EC', '#F8BBD0', '#F48FB1', '#F06292', '#EC407A', '#E91E63', '#D81B60', '#C2185B', '#AD1457', '#880E4F', '#FF80AB', '#FF4081', '#F50057', '#C51162'), 'purple' => array('#F3E5F5', '#E1BEE7', '#CE93D8', '#BA68C8', '#AB47BC', '#9C27B0', '#8E24AA', '#7B1FA2', '#6A1B9A', '#4A148C', '#EA80FC', '#E040FB', '#D500F9', '#AA00FF'), 'deep-purple' => array('#EDE7F6', '#D1C4E9', '#B39DDB', '#9575CD', '#7E57C2', '#673AB7', '#5E35B1', '#512DA8', '#4527A0', '#311B92', '#B388FF', '#7C4DFF', '#651FFF', '#6200EA'), 'indigo' => array('#E8EAF6', '#C5CAE9', '#9FA8DA', '#7986CB', '#5C6BC0', '#3F51B5', '#3949AB', '#303F9F', '#283593', '#1A237E', '#8C9EFF', '#536DFE', '#3D5AFE', '#304FFE'), 'blue' => array('#E3F2FD', '#BBDEFB', '#90CAF9', '#64B5F6', '#42A5F5', '#2196F3', '#1E88E5', '#1976D2', '#1565C0', '#0D47A1', '#82B1FF', '#448AFF', '#2979FF', '#2962FF'), 'light_blue' => array('#E1F5FE', '#B3E5FC', '#81D4fA', '#4fC3F7', '#29B6FC', '#03A9F4', '#039BE5', '#0288D1', '#0277BD', '#01579B', '#80D8FF', '#40C4FF', '#00B0FF', '#0091EA'), 'cyan' => array('#E0F7FA', '#B2EBF2', '#80DEEA', '#4DD0E1', '#26C6DA', '#00BCD4', '#00ACC1', '#0097A7', '#00838F', '#006064', '#84FFFF', '#18FFFF', '#00E5FF', '#00B8D4'), 'teal' => array('#E0F2F1', '#B2DFDB', '#80CBC4', '#4DB6AC', '#26A69A', '#009688', '#00897B', '#00796B', '#00695C', '#004D40', '#A7FFEB', '#64FFDA', '#1DE9B6', '#00BFA5'), 'green' => array('#E8F5E9', '#C8E6C9', '#A5D6A7', '#81C784', '#66BB6A', '#4CAF50', '#43A047', '#388E3C', '#2E7D32', '#1B5E20', '#B9F6CA', '#69F0AE', '#00E676', '#00C853'), 'light-green' => array('#F1F8E9', '#DCEDC8', '#C5E1A5', '#AED581', '#9CCC65', '#8BC34A', '#7CB342', '#689F38', '#558B2F', '#33691E', '#CCFF90', '#B2FF59', '#76FF03', '#64DD17'), 'lime' => array('#F9FBE7', '#F0F4C3', '#E6EE9C', '#DCE775', '#D4E157', '#CDDC39', '#C0CA33', '#A4B42B', '#9E9D24', '#827717', '#F4FF81', '#EEFF41', '#C6FF00', '#AEEA00'), 'yellow' => array('#FFFDE7', '#FFF9C4', '#FFF590', '#FFF176', '#FFEE58', '#FFEB3B', '#FDD835', '#FBC02D', '#F9A825', '#F57F17', '#FFFF82', '#FFFF00', '#FFEA00', '#FFD600'), 'amber' => array('#FFF8E1', '#FFECB3', '#FFE082', '#FFD54F', '#FFCA28', '#FFC107', '#FFB300', '#FFA000', '#FF8F00', '#FF6F00', '#FFE57F', '#FFD740', '#FFC400', '#FFAB00'), 'orange' => array('#FFF3E0', '#FFE0B2', '#FFCC80', '#FFB74D', '#FFA726', '#FF9800', '#FB8C00', '#F57C00', '#EF6C00', '#E65100', '#FFD180', '#FFAB40', '#FF9100', '#FF6D00'), 'deep-orange' => array('#FBE9A7', '#FFCCBC', '#FFAB91', '#FF8A65', '#FF7043', '#FF5722', '#F4511E', '#E64A19', '#D84315', '#BF360C', '#FF9E80', '#FF6E40', '#FF3D00', '#DD2600'), 'brown' => array('#EFEBE9', '#D7CCC8', '#BCAAA4', '#A1887F', '#8D6E63', '#795548', '#6D4C41', '#5D4037', '#4E342E', '#3E2723'), 'grey' => array('#FAFAFA', '#F5F5F5', '#EEEEEE', '#E0E0E0', '#BDBDBD', '#9E9E9E', '#757575', '#616161', '#424242', '#212121', '#000000', '#ffffff'), 'blue-grey' => array('#ECEFF1', '#CFD8DC', '#B0BBC5', '#90A4AE', '#78909C', '#607D8B', '#546E7A', '#455A64', '#37474F', '#263238'));
            switch ($context) {
                case '50':
                case '100':
                case '200':
                case '300':
                case '400':
                case '500':
                case '600':
                case '700':
                case '800':
                case '900':
                case 'A100':
                case 'A200':
                case 'A400':
                case 'A700':
                    if ('A100' === $context) {
                        $key = 10;
                        unset($colors['grey']);
                    } elseif ('A200' === $context) {
                        $key = 11;
                        unset($colors['grey']);
                    } elseif ('A400' === $context) {
                        $key = 12;
                        unset($colors['grey']);
                    } elseif ('A700' === $context) {
                        $key = 13;
                        unset($colors['grey']);
                    } else {
                        $key = $context / 100;
                    }
                    unset($colors['primary']);
                    $position_colors = array();
                    foreach ($colors as $color_family) {
                        if (isset($color_family[$key])) {
                            $position_colors[] = $color_family[$key];
                        }
                    }
                    return $position_colors;
                case 'all':
                    unset($colors['primary']);
                    $all_colors = array();
                    foreach ($colors as $color_family) {
                        foreach ($color_family as $color) {
                            $all_colors[] = $color;
                        }
                    }
                    return $all_colors;
                case 'primary':
                    return $colors['primary'];
                default:
                    if (isset($colors[$context])) {
                        return $colors[$context];
                    }
                    return $colors['primary'];
            }
        }

 /**
  * Refresh the parameters passed to the JavaScript via JSON.
  *
  * @access public
  */
 public function to_json()
 {
     parent::to_json();
     // If no palette has been defined, use Material Design Palette.
     if (!isset($this->json['choices']['colors']) || empty($this->json['choices']['colors'])) {
         $this->json['choices']['colors'] = Kirki_Helper::get_material_design_colors('primary');
     }
     if (!isset($this->json['choices']['size']) || empty($this->json['choices']['size'])) {
         $this->json['choices']['size'] = 42;
     }
 }