problem with marshmellow update

[kelly46]

how do i change my taskbar and other colours bk to their original colour on my S5 NEO,marshmallow update changed them all

 

[Rukbat]

Almost every version changes the colors. If you want full control of your phone you have 2 choices - a custom ROM that allows you to change colors or something like Xposed and a screen color module (which a: requires rooting and b: may be difficult on anything later than an S4).