Color is not claimed as a feature of the mark.
The mark consists of the stylized text "Fuel" to the left of a circular element. In the center of the circular element is the stylized text "Circle". Various icons are inside the rim of the circular element, each divided by a line. The icons are as follows beginning at the top right: coffee cup; shopping cart; hammer and paint brush; football, soccer ball, and bowling ball; dog with a bone; car; computer screen, microphone; plate, fork and knife; movie ticket displaying the stylized text "Ticket". Around the bottom of the circle is the stylized text "Shop. Earn. Redeem. Repeat.".