The color(s) black, yellow, white and gray is/are claimed as a feature of the mark.
"YELLOW PAGES DATA DELIVERY"
The mark consists of a black rectangle as a carrier containing the capitalized, stylized letters "YPDD" where the "Y" and "P" are both yellow and the "D" and "D" are gray, with the final "D" stylized and capitalized appearing in backwards form and the words "yellow pages data delivery" all appearing in lower case letters and appearing in white below the "YPDD", all as shown in the mark.