1. All letters, words, figures or numerals appearing on any advertising medium referred to in NRS 590.160 to 590.330, inclusive, shall be plainly visible and of such colors or tints as will contrast such letters, words, figures or numerals with the remaining parts of the advertising medium.
2. All letters, words, figures or numerals appearing on any electronic sign must comply with the requirements of subsection 1 and be clearly visible during the day and at night.