Unless a specific color is prescribed, the cautionary statements may be printed in any color, but preferably red, upon a plain and distinctly contrasting background.
Cal. Health & Safety Code § 108805
Label Requirements
Added by Stats. 1995, Ch. 415, Sec. 6
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.