The Colorado Antidiscrimination Act prohibits discrimination or harassment in employment on the basis of disability, race, creed, color, sex (including sexual harassment), sexual orientation, religion, national origin, ancestry, or age (40 or older).The Act also prohibits employers from discharging or refusing to hire a person who is married to or plans to marry an employee of the employer (CO Rev. Stat. Sec. 24-34-401 et seq.). The Act applies to all employers with employees in the state, regardless of the number of employees, except for the marital provisions that apply to employers with 25 or more employees.