The mark consists of a face of a credit card bearing a stylized seashell in the upper left-hand corner that is yellow in the center, outlined in red and then white. To the right of the seashell are the words "SHELL CARD" in white. There is an image of a partial highway sign bearing the number 5 in black, which is situated to the right on the card face. The top of the highway sign displays the a partial letter "o" "r" and "t" but the almost complete image of the letter "h", all in black. The background of the credit card face is in varying shades of orange and yellow, with a darker shade of orange at the top of the credit card face gradually lightening to a lighter shade of yellow and then a lighter orange shade at the bottom of the credit card face. Multiple swirls of yellow are also displayed on the face of the card.