C.R.S. § 1-5-408

(1) Ballot cards placed upon voting equipment shall, so far as practicable, be arranged as provided by sections 1-5-402 , 1-5-403 , and 1-5-404 ; except that they shall be of the size and design required by the voting equipment and may be printed on a number of separate ballot cards that are placed on the voting equipment. (2) If votes are recorded on a ballot card, a separate write-in ballot may be provided, which may be in the form of a paper ballot or envelope on which the elector may write in the title of the office and the name of a qualified write-in candidate. (3) Polling locations that use electromechanical voting systems may use ballot cards of different colors to ensure that electors receive a full ballot. Such polling locations may also use ballot cards of different colors for each party at primary elections. (4) Repealed.