Color Management for Creators - A Comprehensive Guide | EIZO contains 2 PNG files, one supposedly tagged with Adobe RGB (I downloaded it into a file named adobergb.png; I won’t share it here as I’m not sure it’s allowed). It does not display the text (is rendered as a magenta rectangle) in Firefox (see screenshot below). The same happens in the Gimp and in darktable – to be exact, in darktable I can see the text if I set the ‘input color profile’ module to sRGB.
Geeqie renders the text visible.
I wonder if the image is valid or not.
darktable with the embedded profile:
With Adobe RGB (compatible):
In darktable, toggling the preference processing → always use LittleCMS 2 to apply output color profile produces a weird effect, in that the thumbnail’s colour does not match the image, but I guess that’s not related (or maybe that’s not related to LCMS2, I was only able to trigger this occasionally, when scolling the mouse wheel wildly over the input profile dropdown):
With LCMS2 + wild scrolling – note the thumbnail & duplicate manager preview vs the main view: