Why does protection sometimes have different colored bars?

"evoluza;c-1869296" wrote:
There is only normal protection (white)
Prot up and the other thing (purple)
If you experience some other colors, check your display settings.

Normal protection is a teal-greenish color, not white. You can even see it in his screenshot, there’s clearly a difference.

I’ve seen the white protection like you show, I feel like it happens most often whenever there’s an overflow of purple protection. I’m not sure, though.