Amber, Crimson, Auburn, and Yellow are the colors tree leaves can get during the autumn and the color-changing phenomenon is called autumn colors, fall foliage, or simply foliage in American English. Fall is everybody's favorite time of the year, the leaves change their colors, the air gets crisp, and the weather is usually perfect for outdoor activities. In autumn people love to go out on a pumpkin patch, picking apples from trees while enjoying the beautiful scenery that surrounds them. Fall is the time when everything just bursts with its last beauty, it's almost like nature was saving up all year for a grand finale. Love the trees until their leaves fall off like they are falling in love with, the ground, and encourage the treat till next spring. A nature custom progress bar for YouTube with Autumn Leaves.