ludo974
Hi
Add this code in custom.css file and change the color coder as per needs
.ja-topbar {
background-color: #98d14c;}
For module section color its JA ACM module that loads the image and color based on setting.
Featured products Module here : http://prntscr.com/o9x44l
In 3rd screenshot its also from module settings http://prntscr.com/o9x4yo