California Code, Health and Safety Code - HSC § 110090

All color additive regulations and any amendments to the regulations adopted pursuant to the federal act, in effect on November 23, 1970, or adopted on or after that date, are the color additive regulations of this state. The department may, by regulation, prescribe conditions under which a color additive may be used in this state whether or not those conditions are in accordance with regulations adopted pursuant to the federal act.