We check your site our main color.php file not open due to your hosting restrictions we share link below kindly check it if you know the working of cpanel then you easily set file permission otherwise create ticket on hosting provider also share this link they fix this issue.
Very few hosting providers add this type of restrictions.
HI, i have tried multiple times to change the theme color but without luck.
Can you please guide me where I change it.
I hvae given you access from before to manage my theme if you need to checkout my dashboard.