Those changes require phone modding on the system level or an app to cheat and do it for you. Go to XDA and look for Xposed and Xposed Modules for icon colors and modding.
Samsung Galaxy S® 4 MJA Rooted with CF Auto-Root Tutorial
HTC EVO Design 4G™ v4.0.3 Bootloader Unlocked & Rooted with HTC SuperTool v3
If it ain't broke, use a sledge hammer.