Hi,
I'm trying to transition a cropped item on a white background to another clip. Every time I do it, you can clearly see the cropped area. When you view the clip it's matching and looks like it's not cropped. But the moment you transition you see the 
1 Correct answer
This is normal behavior. Cropping does not "cancel" the fact that your first clip has a background, even if this background is white. For this to work, your clip had to be alpha channel, or in case of an image should have a transparent background.
However, an easy workaround is to change the opacity mode of the clip to "Darken"
26
Replies
Once I rendered it in aftereffects using RGB+Alpha the luma scopes changed and it works now. Wish it could just have been done in Premiere all at once tho. Thanks. Here is a screenshot:
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