As triclops200 says, lossy image compression algorithms have long taken advantage of this. You might be interested in this page, Your Eyes Suck at Blue, which s

As triclops200 says, lossy image compression algorithms have long taken advantage of this. You might be interested in this page, Your Eyes Suck at Blue, which shows an image with the blue channel increasingly compressed: https://gamesx.com/misctech/visual.htm https://gamesx.com/misctech/visual.htm edit See also this counterpoint: https://news.ycombinator.com/item?id=573593 https://news.ycombinator.com/item?id=573593