Question: are all kindles black and white?
Answer: The Kindle, Kobo, Nook, Pocketbook, Onyx Boox, Likebook and Sony have always used black and white screens. All of these devices might be put out to pasture soon and become totally irrelevant with the advent of modern color e-paper. ... Kaleido e-paper can produce color for each pixel that is displayed on the screen.