More and more colored

From left to right, from grayscale to colorful

Sorted by "standard deviation"
then scramble columns
then cut a bit at left & right, rearranged to 2 squares focused to the center to make a comprehensive visual comparison.

BONUS : Animated GIF : https://1drv.ms/i/s!At33iYzPsj-YgogiuwLr8wAdRfHjGg?e=YNhbdU