Four years after the first color e-readers launched , Amazon has finally introduced a Kindle with a color screen. The $279.99 Kindle Colorsoft features the same color E Ink technology used in e-readers like the Kobo Libra Colour but customized with a new display stack, brighter LEDs, and special coatings . Colors appear more saturated and a little more vibrant on the Colorsoft’s seven-inch screen than they do on the Libra Colour, while screen refreshes are faster and contrast is notably better,