What color font does the yellow background of the signboard match?

1, yellow background with black characters will give people a calm and serious feeling.

2, yellow background with green characters will give people a feeling of youth and refreshing.

3. A yellow background with red characters will give people a warm and energetic feeling. This color scheme is often used for publicity.

4, the yellow background with blue text will give people a fresh and comfortable feeling.

5. A yellow background with purple words will give people an elegant and generous feeling.