I'm trying to make i theme but when i replace the original icons with icons in white in low opacity it turns to grey when i looked at my psp

i don't think this is a rcoedit png problem but i think?

Any help or maybe graphics problem???

You have to make the alpha channel yourself using bmp format.

Fill the main image all white and copy the image you want to use into the alpha channel or select it and fill it white in the alpha channel