Add Custom Color Palette to ACF Pro Color Picker Field

functions.php

function sjd_acf_input_admin_footer() {
 
?>
<script type="text/javascript">
(function($) {
 
acf.add_filter('color_picker_args', function( args, $field ){
 
// add the hexadecimal codes here for the colors you want to appear as swatches
args.palettes = ['#ffffff','#000000']
 
// return colors
return args;
 
});
 
})(jQuery);
</script>
<?php
 
}
 
add_action('acf/input/admin_footer', 'sjd_acf_input_admin_footer');