Legal or not I would do that on a motorcycle for improved visibility being seen by others.Back in 2007, on my 1996 GSX-R750, I had a yellow glass cover that clipped over the H4 bulb... It worked well enough!
I realize that does not help you at all. I am just sharing for the sake of sharing.
I had it on just 1 of the 2 headlights.
I do believe in Ontario, both white and amber lights are both acceptable to be forward facing..
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