Hi
According to my understanding only the backgrounds needs to be replaced with the referred color code. Please correct me, if i 'm wrong.
I am Smithin with 9+ years of experience in software web application design as Web designer, UI/UX expert, Usability and Human-Computer Interaction, emphasizing on Web Application Design, HTML5 banners using Google Web designer tool, Print Media Design, Photography, Videography.
I 'm planning to use photoshop as a tool to remove the background.
I like to do invite you for more clarification.