On: 500 Byte Images: The Haiku Vector Icon Format (201...

[jchw]

IMO this is only an issue insofar as low resolution (~96 PPI) displays go. Of course you can just about always make better use of pixels by hand, but its not about making the absolute best possible use, just getting the job done and looking nice. How often do we even have 16x16 pixel icons in modern UIs?

[Jack000 → jchw]

you'd still want a custom icon for small sizes, because it's not about the resolution but perceived icon size. It's similar to this illusion https://www.independent.co.uk/life-style/health-and-families...

if you scale the image down, you should see Marilyn, even at high resolution