Being an SEO specialist from 1click I can confidently say that no matter how much you design or redesign, UI/UX and CRO is the win win strategy if you want your site not only for showcase purpose but to grow your business online. Plus adding block block column column section section just to make your website look attractive only makes limitation for the content, Yes your website should follow your logo color theme and i think you can redesign or tweak it after your content uploading.