Color is not claimed as a feature of the mark.
The mark consists of SMSTEES:) is a mark which contains an acronym of SMS meaning, short message system inside of a "text bubble" and the word TEES directly to the right of the "text bubble" and last, just following the word TEES as in T-Shirts the colon and right end parenthesis, which creates the texting symbol of a smiley face.
SMS TEES:)