Default Battery in settings does not show green

Hi.

I'm s-off, rooted, Android revolution HD 7.
For some reason, the battery image in settings, does not show green color.

I have tried disabling all xposed modules I have, and non of them affected this.
Anyone else having this issue?
It does not REALLY bothering me, but I would like to know what could cause this.

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MAIN: HTC ONE M8 , S-OFF, ROOT
BACKUP: Samsung Galaxy S2 GT-I9100, NeatRom LITE, Apolo Kernel