The color(s) Purple, red, yellow and gold is/are claimed as a feature of the mark.
The mark consists of A Purple pentagon with the words "Special Blend Coffee" using a stylized letter "S" in "Special" and a stylized letter "B" in "Blend", topped with the Denny's French diamond logo using red for the word "Denny's" yellow for the French diamond background and gold for the French diamond trim.