Comment by Groxx

Obra Dinn's in-game dithering is also a cool entry for clever, tailor-made dithering in general: https://youtu.be/_3qzyAHMoUU?t=2m24s)

For eink: yeah white mixed in is surprisingly easy to pick out compared to other color combinations. It's fine at enough of a distance, so maybe for a picture frame, but pretty rough at a middle reading distance or closer.