The color(s) yellow, red, white, blue, brown and black is/are claimed as a feature of the mark.
The mark consists of The words El Coqui Dominoes Club appear in yellow stylized lettering above a Puerto Rican Flag consisting of red and white stripes, a blue triangle with a white star. On top of the flag is a brown frog with its right front foot sitting on a domino which is white with black dots.