Wyo. Stat. § 22-6-123: Nonpartisan election ballots and ballot propositions.

Primary and general election ballots for nonpartisan offices and ballot propositions shall be printed on yellow paper or paper with yellow demarcation as provided by rule and regulation of the secretary of state, separate from partisan ballots. They shall contain no political party designations, but otherwise shall conform to the same general requirements for official partisan ballots except as otherwise specifically provided.