Primary color doesn't change

When I change the primary color in the customizer – nothing happens.

This is the link to my site: https://neee.nl/update/.

Hello there,

I am sorry to hear that you’ve run into issue.

Please grant me to access to your site admin area, so I can take a closer look. For security reason, send the login credentials to kharisblank@gmail.com and mention the link to this thread.

Regards,
Kharis