it is too soon for eink color in my opinion. I hope next generations of color eink screens will get better, now it is more a gadget than anything else. If you want to see charts with a few colors etc. My 'old' 840 does a better job for those and for text. If you are into mangas which have only the covers in color and all the contents in black and white, pick another inkpad like 3 or pro.

As the source light goes down, it gets worse.

In my opinion it is not very good, it is not that it has 'only' 4096 colors, and I do not expect something looking like a LCD, but it is really dull, and you see the 'grid' of the color layer which has a lower resolution than the black layer. change metadata, which can be useful for the organization of the files on certain devices. Not exactly what you are asking for, but some pictures of the device in various situations. organize your library on your home computer ('normally' you store all your books on an external drive and send only 'some' to your reader) - convert between different file formats. Device: Kindle OA3 JB&KOReader, Kindle, Kobo, PocketBook, Sony, Taotuo For me. If you have time, I would like to see some pictures of color comics, pure text books, and also books with both color images and text. Non jail broken Kindle to PC requires a DRM remover add on for calibre.

Pocketbook calibre