Blending mode Screen has at least the right direction:
Reduce the opacity to reduce the effect. Insert another identical shape to lighten more
The effect is now better than what's got by inserting only transparent white because this doesn't reduce the colorfulness as much as transparent white. Unfortunately the same highlighter shape cannot be used if there'...
Select all (Select > All)
Set the fill to none in the Color Panel (Window > Color)
Set the stroke to a color in the Color Panel
Set the stroke weight in the Stroke Panel (Window > Stroke)
You can also do all this via the Appearance Panel (Window > Appearance).
Merely click the colors or the stroke weight in that panel..
You can review some ...
I typically create highlights without using any blending modes. I maybe old-school but I do not like using blending modes within Illustrator. The only blending mode I'll use on occasion is Multiply because it essentially equates to overprinting. However, it's still a very rare thing.
Some blending modes do not work with CMYK art and are therefore not useful ...
Object> Arrange> Send to Current Layer will only send selections to a new 1st level layer and not a sublayer.
Click the Create New Layer button (not the Create New Sublayer button) at the bottom of the Layers Panel. Highlight the newly created Layer. You can then select what you want to move there and the Object> Arrange> Send to Current Layer ...
One way: use an action to quickly convert layer pairs to single layers. And then use Export > Layers to Files.
Setting up the layer-merging action
This action deletes layers once used, so only run it on a duplicate of your PSD.
Recording the action can be tricky, as selecting layers in the layers panel often creates layer-specific actions. To avoid ...
If the whole logo is expanded (Object > Expand) and if each shape is independent (I mean if the white shapes are already cropped and there's no white shapes behind orange shapes), you can just use Direct Selection tool and select them each and delete it.
You can also use Shape Builder tool for this (again it works if whole logo is expanded):
Just press ...
Start with a canvas of desired size, then move/crop/scale both images into that canvas
In most cases, you will have a desired target output image size, and you want to make the two images fit nicely there.
Start GIMP and create an empty canvas (Ctrl + N) with the desired size. Let's suppose that our target is 1280x720 (720p):
This leaves us with an empty ...