if(is_admin()){
    // Add the color picker css file
    wp_enqueue_style( 'wp-color-picker' );
    wp_enqueue_script( 'wp-color-picker' );

var myOptions = {
    // you can declare a default color here,
    // or in the data-default-color attribute on the input
    defaultColor: '#000',
    // a callback to fire whenever the color changes to a valid color
    change: function(event, ui){

    },
    // a callback to fire when the input is emptied or an invalid color
    clear: function() {},
    // hide the color picker controls on load
    hide: true,
    // show a group of common colors beneath the square
    // or, supply an array of colors to customize further
    palettes: true
};

// Add Color Picker to all inputs that have 'color-field' class
$('.color-field').wpColorPicker(myOptions);