How to write an advertisement?

Question

contextual advertising

Hello. I want to put up an ad on my site with the following content:
"Software development"
"Website development"

Request to the experts, please tell me what colors to choose (background, text) or in general, how to do it correctly?
Thanks in advance.

Answer 1

Write in accordance with the color scheme of your site .... You did not take its colors out of thin air, did you?