Need help changing battery colors

[tysman]

hello I would like to change the default battery charged and charging icons to the color blue, I have attached the blue color that I want to use. I tried doing it my self but I am having problems with the the shading around the edges to match properly, maybe somebody can help me with this

[tysman]

anybody able to help me with this? I tried my best but the shading around the edges of the lightning bolt and the plug are hard to match to the color I want to use. Maybe somebody can point me to a tutorial, that would help me to