I know what you're talking about, and I'm not sure exactly why it does that either, I've noticed if you save the file as .png the image will show as normal, instead of altered when it's saved as .jpg
I uploaded mine as a PNG, though I got the correct saturation, I got a substantial amount of blur and pixalation.I know what you're talking about, and I'm not sure exactly why it does that either, I've noticed if you save the file as .png the image will show as normal, instead of altered when it's saved as .jpg
The best thing you can do, if uploading as a PNG doesn't work, is upload a slightly de-saturated version of the original image which it will saturate more!becomes more saturated