Color is not claimed as a feature of the mark.
The mark consists of a stylized square comprised of thick arched lines on the left, top, bottom, and right with filled circles centered with each of the arched lines on top, left, and bottom of the stylized square, with the stylized letters "STAC" centered to the right of the stylized square, with a circle centered within the center of the stylized square.
STEALING TURNING ACCOMPANYING COACHING
The wording "STAC" has no meaning in a foreign language.