I have a JPG image, then I add a new layer on top, with Mode: Color, and fill with color red. I get what I want, where the image below shows through:
But when I do the exact same thing on another image (also JPG), that image is completely blocked:
What am I doing wrong? In both cases, the Layer Fill Type of the new layer is set to Transparency. In both cases, I use the same red color to fill the layer.