I'd sometimes put my early 90's Mac into grayscale mode. In my case, it was because my Mac only supported 8 bit color, but in grayscale, the shading was much be

I'd sometimes put my early 90's Mac into grayscale mode. In my case, it was because my Mac only supported 8 bit color, but in grayscale, the shading was much better. 8 bit grayscale was the equivalent of 16 bit color in terms of clarity. Removed the dithering or weirdness in certain images.