I can't find an answer for this problem and it's starting to seriously annoy me.
Any PNG image I link to my html is noticeably darker/sharper/more contrasted than its source.
Images attached to post, context and code below, too.
I created a BLANK html page and added one single image to test it out. The images with cats differ in that the HTML version (bottom) is clearly sharper (if you look closer at the fur) compared to its source file, while the png image of a green diamond on a dark grey background that I myself made is much lighter in the source, compared to its browser chil