One-liner: convert low.png high.png -colorspace Gray -alpha on -channel alpha -fx "(1-v.r+u.r)/2+0.001" -channel rgb -fx "u.r/u.a/2" out.png
If you're happy with grayscale, there's a different trick that works natively on Twitter. Don't click on homu!pic.twitter.com/ET0P1czAT8
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Thanks to
@Miluda for letting me use her art for this demo :)
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Doesn't work out so well on twitters dark mode in the app :ppic.twitter.com/YihhCq321y
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Yeah, unfortunately :(
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foiled by chrome and its checker background
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Chrome doesn't put a checker background inside Twitter, does it? :P
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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