The color(s) blue, grey, white and black is/are claimed as a feature of the mark.
The color white appears in the letter C and surrounds the oval, the color grey is in the oval to the left of the letter C, the color blue appears in the oval to the right of the letter C and in the wording COLUMBIA, and the color black is used to partially outline the oval.
The mark is comprised of the letter C in an oval above the word COLUMBIA.