Create your own theme with few easy steps.
Theme Maker For EMUI is the most powerful Huawei (EmotionUI) theme editor with its simple and awesome UI and its wide set of options to help you customizing your phone easily. It's fully free and available to everyone. You can pick edit and save your theme quite fast. Never hesitate to download it.

Note: "After creating theme close all apps and reopen Themes App
go to : Me -> Themes
you will find your theme then apply it"