It appears that when a client opens up an invoice that was sent to them via the web, the "Due" date is either invisible or the same color as the background. I can confirm the same occurs on the demo site.
ITFlow Info:
App Version: 56feefe612c7c365f6c51a8ac99813a639905599
Current Database Version: 1.5.9
Web Server: Apache/2.4.58 (Ubuntu)
PHP version: 8.3.6