Plasma Thema with interesting Task Buttons, in three colors (blue, yellow, dark red). The theme is with plenty of blue details.
Panel-Background and Background are in the same dark shade, and are not transparent.
With this theme, I suggest color scheme: Dark Three Colors-Blue, which you can download: Here
Also, with this theme, I suggest the Aurorae Theme: Three-Color, which you can download: Here
For lovers of Breeze icons, I recommend:
Breeze Chameleon Icons Theme, which you can download: Here
-The folders change color depending on the Color Scheme you set
-It also added icons from "Papirus Icons Themes" (Only icons from the "Actions" folder)