The Willis Tower in yellow and white on a blue and yellow basketball with black trim, wordmark “CHICAGO” written above in white on black and “SKY” in yellow on a blue background with a black basketball net hanging below.

A light blue wordmark “SKY” and “CHICAGO” in white with light blue trim forming Chicago skyline with yellow, white and light blue streaking basketball through the city and clouds. The streaking basketball’s trail making a letter “S” in yellow.