Change Order Status Icon Color (Version 2!)

wc_order_status_styling.php

function wc_order_status_styling() {
  echo '<style>
    .widefat .column-order_status mark.on-hold:after, .widefat .column-order_status mark.completed:after, .widefat .column-order_status mark.cancelled:after, .widefat .column-order_status mark.processing:after {
        font-size: 2em;
    }
    /* Processing Ellipsis */
    .widefat .column-order_status mark.processing:after {
        color: #2529d7;
    }
    /* On-Hold Dash */
    .widefat .column-order_status mark.on-hold:after {
        color: #555555;
    }
    /* Cancelled X */
    .widefat .column-order_status mark.cancelled:after {
        color: #d72525;
    }
    /* Completed Checkmark */
    .widefat .column-order_status mark.completed:after {
        color: #32d725;
    }
  </style>';
}

add_action('admin_head', 'wc_order_status_styling');