Color scheme of advertisement sign

Quick answer：

The color scheme of an advertisement sign is a combination of colors used to attract attention and convey the message of the advertisement effectively. It is important to choose colors that are complementary and contrasting to ensure visibility and readability. The color scheme should align with the brand's identity and the message it wants to communicate. Factors like cultural associations, psychological effects of colors, and the target audience's preferences also play a role in determining the color scheme.