Pre-emptively, I thank anyone who can answer what is likely a very beginner-level question, but this has been bugging me for weeks. As you can hopefully see from the images and screenshots below, I've been trying to make YouTube thumbnails using a gold-and-black colour scheme, and while the colours look very bold and there's no artifacting going on, but upon actually using them on YouTube, I have a much more washed-out and dirty-looking image. I can't find anyone discussing this to know whether it's a standard YouTube compression problem, but I began to wonder if it might be something to do with contrast between colours or any number of other things other people might not have necessarily caught? For context, all the images are PNGs, sRGB, maximum quality settings etc. - I've moved around colours as well to try and fix it, but I'm beginning to worry I'm either going insane or need to rethink my whole channel's colour scheme. If it just YouTube compression and I can't do anything about it, can anyone recommend a way to make it less egregious without entirely overhauling the basic concept? Many thanks.
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