Changing Monday TLV sign color

This might be one of the strangest questions you’ve come across, but I saw a TikTok video where someone changed the color of the sign on the Monday TLV building using an app. The app looked authentic and matched Monday’s branding and themes, but I’ve looked through Monday’s app and can’t find this feature. Does anyone know how this is done?

My best guess is CGI, as I’m not sure they would allow people to just… Change the color of their building